Mr. Romero buys 3 chairs at a cost of $27.90 for each chait. Estimate the
least number of $20 bills he needs to buy the chairs.
Answer: 5
Step-by-step explanation:
Answer:
5, $ 20 bills
Step-by-step explanation:
27.90× 3 = around 85
$85÷ $20=4.25
So 5, 20 dollar bills because it is more that 4
aundreys mother has decided to start a college savings account for him. aundrey is about to start kindergarten, and she decides to deposit $1000 in to an account with a 1.3% annual interest rate. How much will be in the account when aundrey starts 4th grade (4 years later) if she makes no deposits or withdrawals and the interest is compounded annually?
a) $27,984.10
b) $1,630.47
c) $1,053.02
d) $949.01
Answer:
C
Step-by-step explanation:
1.3% of 1000 is 13, 13 X 4 ≈ 53
Some friends went hiking. The very top of a trail was a total of 26 miles from town, where the friends began their journey. They drove 8 more miles than they walked on the trail. How far did the friends walk? How far did the friends drive?
Please give steps.
they walked 52 and drove 16
26x2=52 and 8x2=16
Find two numbers whose sum is 8 and whose product is 17. Show all steps.
Answer:
See the solution below
Step-by-step explanation:
Find two numbers whose sum is 8 and whose product is 17. Show all steps.
Given data
Let the first number be x
and the second number be y
so
x+y= 8---------1
x*y= 17---------2
from 1
x= 8-y
put the value of x in 2
(8-y)*y= 17
8y-y^2= 17
collect like terms
y^2-8y+17= 0
Let us check the discriminant
y= √b^2-4ac
y= √-8^2-4*1*17
y= √64-4*1*17
y= √64-68
y= √-4
Hence the problem has no real solution because the discriminant is negative
(9 +40) + (5 +2b) simplify answer.
Answer:
54 + 2b
Step-by-step explanation:
(9 + 40) + (5 + 2b)
49 + 5 + 2b
54 + 2b
❗️❗️❗️
Please help!! Will give brainliest!!!
Is the function f(x) = 5x2 even or odd? Why?
Answer
How can tell if the function [latex]f\left(x\right)={x}^{3}+2x\\[/latex] even, odd, or neither? Solution Without looking at a graph, we can determine whether the function is even or odd by finding formulas for the reflections and determining if they return us to the original function.
Step-by-step explanation:
PLEASE HELP!
A right triangle is formed in the first quadrant by the x- and y- axes and a Straight line through the point (2,3). The other vertices are (0,0) (0,Y) (X,0).
a) Write the length L of the hypotenuse as a function of x
b) Find the vertices of the triangle such that its are is a minimum
Answer:
A rectangle is bounded by the x-axis and the semicircle y = √(25 - x²). What length and width should the rectangle have so that its area is a maximum?
Step-by-step explanation:
down?
=) List five points where the y-coordinate is
the opposite integer of the x-coordinate.
Plot your points on
Answer:
try to ask ur fam if they dont help try to do sum else
Step-by-step explanation:
Find the volume: 5 cm cm 1ac 6.5cm
Pls help-?
Answer:
390 cm
Step-by-step explanation:
How to find Volume
Width x Height x Length
=Volume
--
6.5 x 12 x 5 = 390
390 cm
--
how to multiply fractions
For example,
[tex]\frac{1}{2} *\frac{1}{2}[/tex]
They both do have the same denominator, so we can multiply them.
We need to multiply the numerators.
Next, multiply the denominators.
We then get:
1/4
--
If the denominators are not the same, find the LCD (Least Common Denominator) of the two fractions. Then, follow above.
--
Need Help? Please leave a comment :D
Help!!!!! Please!!!!!
Answer:
9 cm
Step-by-step explanation:
r = 3cm
Volume of cone = 27π cm³
[tex]\frac{1}{3}\pi r^{2}h=27\pi \\\\\frac{1}{3}*\pi *3*3*h=27\pi \\[/tex]
h = [tex]\frac{27\pi *3}{\pi *3*3}\\[/tex]
h = 9 cm
The measures of three sides of a triangle are 7 inches, 9 inches and 2 inches. Determine whether the triangle is a right triangle.
A window is being replaced with tinted glass. The plan at the right shows the design of the window. Each unit length represents 1 foot, the glass costs $28 per foot square. How much will it cost to replace the glass? Show your work
Answer: you can correctly find this by multiplying the length times width, the answer is 16
Step-by-stepexplanation:length times width is 16. Please mark brainliest
-16(d+1)=20
what does d equal
CORRECT answers ONLY please
Answer:
-1.3125
Step-by-step explanation:
-16(d+1) = 20
-16d - 1 = 20
+1 +1
-16d = 21
d = -1.3125
or -1.3
i’m a little bit confused for this one i just need to know what doesn’t belong
Answer:
C
Step-by-step explanation:
there is no other line
Which of the following is a perfect square?
A.) 115
B.) 169
C.) 154
D.) 279
Answer:
B (169)
Step-by-step explanation:
PLEASE ANSWER WILL GIVE POINTS!!!!!!!!!!!!!
Answer:
1) 27.374
2)9.177
Step-by-step explanation:
1) To get the value of x , we use the appropriate trigonometric ratio
From what we are given;
we have the hypotenuse ( the side facing the right angle) and the adjacent
The trigonometric identity to use here is the cos
The cos of an angle is the ratio of the adjacent to the hypotenuse
cos 64 = 12/x
x = 12/cos 64
x = 27.374
2) Here, we are given the hypotenuse and the opposite
The trigonometric ratio to use here is the sine
the sine of an angle is the ratio of the opposite to the hypotenuse
thus, we have it that;
sin 35 = x/16
x = 16 sin 35
x = 9.177
IWrite the word “TRUE” if the statement is true, and if FALSE underline the word that makes the statement incorrect.
1. All squares are rectangles. _______
2. Not every rectangle is a rhombus. ____
3. Every quadrilateral is a parallelogram.
_______
4. Some rectangles are rhombuses. _____
5. Rectangles are squares. ____
6. Every parallelogram is a rhombus. ____
7. All rhombuses are parallelogram. ____ 8. A square has diagonals that are
congruent and perpendicular. _____ 9. The diagonals of a rhombus are
congruent. ______
10. A rectangle is an equiangular quadrilateral. ___
Answer:
1.false
2.false
3.
4.false
5false
7false
8false
9false
false
26n- 7m+4 (10n-6m) be rewritten
Answer:
260n^2-226nm+42m^2+40n-24m
Step-by-step explanation:
26n-7m+4(10n-6m) use box method
Help me with this yes im lazy 2 pages thats it.
Answer:
2.)[tex]\frac{1}{4}/3=\frac{1}{4}*\frac{1}{3}=\frac{1}{12}[/tex] s yes she is correct
3.)[tex]\frac{1}{5}*\frac{1}{7}[/tex]
4.)C[tex]\frac{1}{5}/2= \frac{2}{5}[/tex],D[tex]\frac{1}{12}/5=\frac{1}{60}[/tex],E
6.)[tex]\frac{1}{8}/3=\frac{1}{24}[/tex]
Step-by-step explanation:
im not very good at word problems so i didnt do the secnd page sorry
PLEASE HELPPPPPPPPPPP
Answer:
I think it is 20
Step-by-step explanation:
15+15+24+26=80÷4=20
ASAP PLEASE HELP ME !!!!
Answer:
90 mallards
Step-by-step explanation:
No. of ducks = 200
Mallards = 45%
45% of 200 = 45/100 × 200
=90
Which of the following equations does not represent a linear relation?
a) y = 4x^2 - 7
b) y = 3x + 45
c) 4x - 3y = 8
d) 10x = 5y - 2
Please help meh I keep getting it wrong im so sad
Answer:
1, 2 and 5
Step-by-step explanation:
please complete it
A math club has 25 members, of which 11 are males and the rest are females. What is the RATIO of males to females?
A.25 : 11
B.11 : 25
C.11 : 14
D.5 : 7
Answer:
C 11 are males 14 are females
Is the answer to this 4?
Answer:
Yes, but make sure to check with another person to double check.
Good job ;)
Step-by-step explanation:
(None)
Find the unknown side length, x. Write your answer in simplest radical form. A. 3 B. Sqrt 34 C 6 D.Sqrt 41 Please select the best answer from the choices provided
Answer:
Attach a picture of the shape for the sides already known...
Step-by-step explanation:
For a moving object, the force acting on the object varies directly with the object's acceleration. When a force of 18 N acts on a certain object, the acceleration of the object is 3 m/s2. If the acceleration of the object becomes 5 m/s2, what is the force?
Answer:
the force is pull
Step-by-step explanation:
-2/8, -0.2, -3/7 from least to greatest???
Answer:
-3/7, -2/8, -0.2
Step-by-step explanation:
-0.2 = -1/5
We have -3/7, -2/8 and -1/5
For positive b and d:
a/b < c/d if and only if a*d < c*b
-3/7 < -2/8 if and only if -3*8 < -2*7; obviously true
-2/8 < -1/5 if and only if -2*5 < -1*8; -10 < -8; true
so we get -3/7 < -2/8 < -0.2
lowest common factor of 36 and 56???
Answer:
the lowest common factor of 36 and 56 is 1
you can also have 2,4