Mathematics High School

2
Landon used a semicircle, a rectangle, and a right triangle to form the figure shown.
6 cm
4 cm
10 cm
Which is the best estimate of the area of the figure in square centimeters?
F
52 cm
44 cm
H
26 cm
J
38 cm
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Answers

Answer 1
Rectangular 4cm shown

Related Questions

2. Which statement is not true in the equation
y = 0.5x?
A. The value of y is one-half times the value of x.
B. The equation represents an additive relationship.
C. The value of y is 4 when the value of x is 8.
D. The equation represents a multiplicative
relationship.

Answers

Answer:

B

Step-by-step explanation:

Nicholas uses a coordinate system with units of feet to keep track of any items he finds with his metal detector. One day he found a ring at (-2, -6) and a coin at (7, 6). How far apart were the ring and the coin?​

Answers

Answer: The distance between the ring and the coin = 15 units.

Step-by-step explanation:

Distance between two points (a,b) and (c,d) is given by :-

[tex]D=\sqrt{(c-a)^2+(d-b)^2}[/tex]

Location of rine = (-2,-6)

Location of the coin = (7,6)

Then, the distance between the ring and the coin [tex]=\sqrt{(6-(-6))^2+(7-(-2))^2}[/tex]

[tex]=\sqrt{(12)^2+(9)^2}\\\\=\sqrt{144+81}\\\\=\sqrt{225}=15[/tex]

Hence, the distance between the ring and the coin = 15 units.

P=-30h+74 The variable h represents the number of hours he has spent reading, the variable p represents the number of pages left to read. How many hours of reading will Ethan have to do in order to have 14 pages left to read?

Answers

Answer: Ethan will have to spend 2 hours reading if 14 pages are left to read

Step-by-step explanation:

Given the equation

P=-30h+74

where p =number of pages left to read and

h= the number of hours he has spent reading

Therefore , if Ethan has 14 pages left to read, then the number of hours Ethan will have to read will be

P=-30h+74

14= -30h + 74

30h= 74-14

30h= 60

h = 60/30

h =2 hours

Ethan will have to spend 2 hours reading if 14 pages are left to read

Find h is f(h) = 215
please help thank you!!

Answers

Answer:

h = 215/f

Step-by-step explanation:

Jose has scored 555 points on his math tests so far this semester. To get an A for the semester, he must score at least 660 points. Write and solve an inequality to find the minimum number of points he must score on the remaining tests, n, in order to get an A.

Answers

If I am not wrong, n = 105, because 660-555=105.

Which expressions are equivalent to this exponential expression?

Answers

remember that when the exponents look like this (5^2)^-3, you multiply the exponents together

when it looks like this:
5^3 x 5^2 you add the exponents
so my example would equal 5^5

also remember that you can’t have negative exponents

To solve your problem:
1. multiply the exponents here: (5^2)^-3

2. add the exponents in the next step when you multiply by the 5^4

3. now, you should get a negative exponent on the top, and you already have one on the bottom. to get rid of these negative exponents, move the one in the denominator to the numerator and vice versa

so when you move the 5^-4 in the denominator to the numerator, it becomes 5^4

4. now, you simplify. you can either subtract the exponents and do it that way, or you can solve the exponents and then divide. either way will work, although the first is easier

Find the value of each variable.



Answers

Answer:

the third option

Step-by-step explanation:

x= 13

[tex] {y}^{2} = {13}^{2} + {13}^{2} \\ {y}^{2} = 338 \\ y = \sqrt{338} = 18.38 = 13 \sqrt{2} [/tex]

Can somebody help me please

Answers

Answer:

I believe it’s 65

Step-by-step explanation:

Not fully sure

Which situation is BEST modeled by a linear function? A) The value of a new automobile that depreciates 20% each year. B) The size of a culture of yeast that doubles in size every 20 minutes. C) The amount an investment is worth when earning 7.2% compounded yearly. D) The amount of interest earned for a year on a savings account earning 5.5% simple interest.

Answers

Answer:

C

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

Graphing B would result in a liner function since the change is constant. The other functions lead in exponential change.

Help! Pls I cant solve it help me with explanation also pls.

Answers

Given:

The expression is

[tex]\dfrac{2}{a-2}-\dfrac{8}{a^2-4}[/tex]

To find:

The simplified form of the given expression.

Solution:

We have,

[tex]\dfrac{2}{a-2}-\dfrac{8}{a^2-4}[/tex]

It can be written as

[tex]=\dfrac{2}{a-2}-\dfrac{8}{a^2-2^2}[/tex]

[tex]=\dfrac{2}{a-2}-\dfrac{8}{(a-2)(a+2)}[/tex]            [tex][\because a^2-b^2=(a-b)(a+b)][/tex]

Taking LCM, we get

[tex]=\dfrac{2(a+2)-8}{(a-2)(a+2)}[/tex]

[tex]=\dfrac{2a+4-8}{(a-2)(a+2)}[/tex]

[tex]=\dfrac{2a-4}{(a-2)(a+2)}[/tex]

[tex]=\dfrac{2(a-2)}{(a-2)(a+2)}[/tex]

Cancel out the common factors.

[tex]=\dfrac{2}{a+2}[/tex]

Therefore, the simplified form of the given expression is [tex]\dfrac{2}{a+2}[/tex].

!!! PLEASE HELP !!! Clare made green paint with 4 cups of yellow paint and 5 cups of blue paint. If Ms.
Kim only has 1 cup of blue paint, how much yellow paint should she use to get the
same color green?

Answers

Answer:

1/2 cup blue

blahnik black gg fu lrjrhjrjrek

Answer:

bshdjrjrb

Step-by-step explanation:

abcdefghijklmnop

A scientist measured the growth rate of an apple tree at 10 inches in 5 weeks. What is the growth rate of the apple tree? (in inches/week)

Answers

Answer:

2 inches per week.

Step-by-step explanation:

1 week = 2 inches

5 weeks = 10 inches

Please guys help me. I will give you the brainliest​. Answer what you know

Answers

Answer:

number 3 is B and number 4 is C

Step-by-step explanation:

7n-1

the 5th term of the sequence 4n+1

Which expression represents a factorization of 32m + 56mp?


A 8(4m + 7p)


B 8(4 + 7)mp


C 8p(4 + 7m)


D 8m(4 + 7p)

Answers

Answer:

D 8m(4 + 7p)

Step-by-step explanation:

The GCF of 32 and 56 is 8.

m and mp have m in common, so you can factor out 8m.

32m + 56mp = 8m(4 + 7p)

Answer: D 8m(4 + 7p)

Answer: D, 8m(4+7p)

Step-by-step explanation:

8m times 4=32m

8m times 7p=56mp

An integer k has the properties shown. What is a possible value of K?

Answers

Answer:

81

Step-by-step explanation:

sq rt 81 = 8.94

8.94 is between 8 and 9

20-8.94 = 11.06   rounds to 11

Joe earns a 15% commission on all sales. If commission was $1,125, find the amount of his sales

Answers

You just need to divide the 15% into $1,125 it gives you $7,500

please help!!!!! i’ve been stuck on this question

Answers

Answer:

30

Step-by-step explanation:

The angle for BOF is going to be 180.

So if the angle for COF is 150, then COB is going to be the complement angle.

This means it's 180 - 150 = 30.

2. A nutritionist wants to collect data on how much caffeine the average American drinks per day. She has the following ideas for how she could obtain a sample:
a. Ask the first 20 adults who arrive at a grocery store after 10:00 a.m. about the average amount of caffeine they consume each day.
b. Every 30 minutes, ask the first adult who comes into a coffee shop about the average amount of caffeine they consume each day.​

Answers

Answer:

B

Step-by-step explanation:

If you start to ask after 10:00 am, a lot of people isn't drinking caffeine. And, were trying to figure out the average.

Claire received 3/8 of her allowance on Monday. What decimal shows the part of her allowance that she received?
0.375
0.75
0.83
2.6

Answers

Answer:

0.375

Step-by-step explanation:

3/8 = 0.375

F(x) = x + 4
A. F(7)=3
B. F(3)=12
C. F(3)=7
Which one is correct and how do you solve it step by step?

Answers

Answer:

C. F(3) = 7

Step-by-step explanation:

You have to to substitute the value of the function into each equation.

So...

A. 7+4 does not equal 7

B. 3+4 does not equal 3

C. 3+4 DOES equal 7

Answer:

C

Step-by-step explanation:

solve (-25)÷0=? please give me right solution​

Answers

Answer:

its undefined

Step-by-step explanation:

-25/0 is undefined

This is because anything divided by zero is undefined.

There were 220 people who voted at the 6th grade meeting. Sixty percent of the voters are in favor of changing the school mascot. How many people are against changing the mascot? Use numbers and words to explain your answer.

Answers

Step-by-step explanation:

First I had to find 60% of 220.

220 × .60 = 132.

132 people are in favor so I have to subtract that number from 220 to find how many people were against.

220-132 = 88

88 people were against changing the mascot.

Charlotte has 3 beads. She has 8 more red beads than blue beads?


Answers

Answer:

The fourth one

Step-by-step explanation:

Answer:

n+8n+30 where n is the number of red beads

Step-by-step explanation:

For his long distance phone service, Miguel pays a $3 monthly fee plus 11 cents per minute. Last month, Miguel's long distance bill was $14.22 . For how many minutes was Miguel billed?

Answers

Answer: B=3+.11m

18.73=3+.11m

-3    -3

15.73=.11m

143=m

Step-by-step explanation:

102 minutes is the answer

1. Emily bicycle wheel had a diameter of 18 inches.
If the wheel makes 10 revolutions, approximately how far will the
bicycle have to travel? Round your answer correct to the nearest
whole number.

Answers

Heshvssheuehrbehwhdbeuwbwhehehwhehehrh

7n +2 –(2n +7) pls help I will give you 15 points

Answers

Answer:

5n -5

Step-by-step explanation:

7n +2 –(2n +7)

7n +2 -2n -7

5n -5

PLEASE HELP MEEEEEE I AM SOOOOOOOOOOOO CONFUZED
Calculate the area of the irregular polygon shown below:

24 square inches
44 square inches
54 square inches
84 square inches

Answers

44 square inches :) you add all of the sides together. You also have to find the sides that weren’t listed.

. The total area of a rectangular mural has been extended by x feet. The expression to represent the area is 5.5(7.5 + x). Rewrite the expression using the Distributive Property.

Answers

Answer and Step-by-step explanation: Distributive Property describes how to solve expressions like a(b +c). According to the property, multiplying the sum of two or more numbers by a number will result in the same as multiplying each number and then add the products. For example:

                 11(2 + 4)

11(6) = 66                 22 + 44 = 66

So, for the expression that represents the area:

5.5(7.5 + x) = 41.25 + 5.5x

As the expression has non-numerical terms, the distributive property will be multiply each term and then add the products.

The expressio for area of a rectangular mural is 41.25 + 5.5x.

need help with this too-

Answers

n = the value of the number in a sequence


a.) 5, 10, 15, 20, ........ 50
b.) -1, -3, -7, -15, ..... -1023

Silver scored 48 points in 4 basketball games. If Silver scored the same amount in each game how many points would he score in 10 games?

Answers

Answer: 120

Step-by-step explanation: He scores 12 points each game. 12 x 10 = 120 Good luck! :D

120. 48/4 equals 12 points a game. Multiply by 10 (games) to get 120 points!
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