Solve the simultaneous equations
4x + 3y = 20
4x + 2y = 14

Answer:

BCE

Step-by-step explanation:

Answer: (B, C, E)

Step-by-step explanation:

B) Draw a marble from a bag containing 5 white marbles, 5 black marbles, 5 red marbles, and 5 green marbles, with each color representing a different homeroom.

C) Use a random number generator with 1, 2, and 12 representing the first homeroom, 7, 9, and 10 representing the second homeroom, 3, 8, and 11 representing the third homeroom, and 4, 5, and 6 representing the fourth homeroom.

E) Spin a spinner with 8 congruent sections with 2 sections assigned to each homeroom.

Answer:

∠A=30°

Step-by-step explanation:

let's call the angle at the bottom B and the one next to the 130 C

∠A=3x-6

∠C=180-130= 50°

vertical angles are equal∠B =8x+4

∠A+∠C+∠B=180°

find x:

3x-6+50+8x+4= 180°

11x+48=180°

11x= 132

x=12

find ∠A

∠A=3x-6= 3(12)-6 =30°

Answer:

X=7

Step-by-step explanation:

2 + |x-4| = 5

2 + x -4 = 5

2 + x = 5 + 4

2 + x = 9

x = 9 - 2

x=7

Answer:

x=7

Step-by-step explanation:

2+ x - 4= 5| -2

x-4 =3 | +4

x=7

Answer

Help me too

Step-by-step explanation:

=======================================================

Work Shown:

To find the average price, we will add up the 9 values in column 2 to get

120+272+358+328+406+392+530+592+610 = 3,608

Then divide that total by 9 since there are 9 values we added up

We get the average to be (3,608)/9 = 400.888 which is approximate. This rounds to 400.89

Side note: It's a bit strange how your teacher mentions "charge in pounds" but then uses a dollar sign.

Step-by-step explanation:

To find the mean, you add all the numbers together then divide by the number of numbers.

Charge : 120+272+358+328+406+392+530+592+610=3608/9=400.888888 =400.89 dollars

If the measures of two complementary angles are in the ratio 7:3. The measure of the smaller and larger angle will be 27.02 and 62.9 respectively.

When two lines or rays converge at the same point, the measurement between them is called an "Angle."

It is given that, The measures of two complementary angles are in the ratio 7:3.

The angle is referred to as be complimentary angle when the total of two angles is 90 degrees. For instance, the angles of 30 degrees and 60 degrees complement one another.

Suppose the smaller angle is x and the larger angle is y,

x+y=90 -------(1)

If the measures of two complementary angles are in the ratio of 7:3.

y:x=7:3

7x=3y

y=7/3x

Substitute the value of y in equation 1 as

x+2.333x=90

3.333x=90

x=90/3.33

x=27.02

The measure of the smaller angle is 27.02. The measure of a larger angle is obtained as,

y=90-x

y=90-27.02

y=62.9

Thus, if the measures of two complementary angles are in the ratio 7:3. The measure of the smaller and larger angle will be 27.02 and 62.9 respectively.

Learn more about the angle here:

brainly.com/question/7116550

#SPJ5

Answer: 144,36,0,-41

hope this helps :}

Answer:

D

Step-by-step explanation:

D is the only correct choice

Answer:

D

Step-by-step explanation:

Answer:

a) 29.6%

b)29.9%

Step-by-step explanation:

Here, we want to change the values to percentage form

a) we have this as;

21/71 * 100% = 29.6%

b) we have thus as;

46/154 * 100% = 29.9%

Answer:

Hey If you get the answer can you help me bro

Step-by-step explanation:

I am not understanding that either

Answer:

The measure of the larger is [tex]133^{\circ}[/tex].

Step-by-step explanation:

Given:

The measure of an angle is [tex]8[/tex] degrees less than three times the measure of another angle.

The two angles are supplementary.

To find: The measure of the larger angle.

Solution:

Let the measure of the smaller angle be [tex]x^{\circ}[/tex].

Then the measure of the larger angle be [tex]3x^{\circ}-8^{\circ}[/tex].

The two angles are supplementary, so their sum is [tex]180^{\circ}[/tex].

So, [tex]x^{\circ}+3x^{\circ}-8^{\circ}=180^{\circ}[/tex]

[tex]\Rightarrow 4x^{\circ}-8^{\circ}=180^{\circ}[/tex]

[tex]\Rightarrow 4x^{\circ}=180^{\circ}+8^{\circ}[/tex]

[tex]\Rightarrow 4x^{\circ}=188^{\circ}[/tex]

[tex]\Rightarrow x^{\circ}=\frac{188^{\circ}}{4}[/tex]

[tex]\Rightarrow x^{\circ}=47^{\circ}[/tex]

So, the measure of the smaller angle is [tex]47^{\circ}[/tex].

And, the measure of the larger angle is [tex]3\times47^{\circ}-8^{\circ}=133^{\circ}[/tex].

Hence, the measure of the larger is [tex]133^{\circ}[/tex].

Answer:

f=60 , c=30

Step-by-step explanation:

there are 2f and 2c in the graph and f=2c

So

f+f+c+c=180

2c+2c+c+c=180

6c=180

c=180/6

c=30

f=2c

f=2×30

f=60

Answer:

700 = 2² × 5² × 7

Step-by-step explanation:

We need to find 700 as a product of its prime factors in index form.

Prime factors of 700 =2 x 2 x 5 x 5 x 7

= 2² × 5² × 7

So, 700 is equal to 2² × 5² × 7.

Hence, 700 is expressed as a product of its prime factors in index form.

Answer:

there is no solution

Step-by-step explanation:

You would use distributive property first to get

12x+36 = 8x+36 + 4x

by combining like terms, you would get 12x+36 = 12x+36, meaning there is no solution to this equation

Answer:

C.

Step-by-step explanation:

A line is straight, and a segment is a part of a line.

A and D and lines because they have the arrows on the side, meaning they keep going and are not a segment.

B is not a line, it curves.

So that leaves C to be the answer because it is the only straight one with no arrows.

Answer:

180 cm³

Step-by-step explanation:

A glass is 1/3 full. Then 75cm³ of orange juice is poured in. The glass is now 3/4 full. What is the total volume of the glass?

Let

x = total volume of the glass

1/3x + 75 = 3/4x

75 = 3/4x - 1/3x

75 = 9x-4x/12

75 = 5/12x

x = 75 ÷ 5/12

x = 75 × 12/5

= 900/5

= 180 cm³

x = 180 cm³

Answer:

2.5+7.5+-10n+-20

Step-by-step explanation:

Multiply everything on the inside by the number on the outside and put it together with addition signs.

-2.5(-3+4n+8)

-2.5*-3=7.5

-2.5(7.5+4n+8)

-2.5*4= -10

-2.5(7.5+-10n+8)

-2.5*8=-20

-2.5+7.5+-10n+-20

Answer: 7.5 + 200n

Step-by-step explanation:

(-2.5 • -3) + (-2.5 • 4n) + (-2.5 • 8)

7.5 + -10n + -20

7.5 + 200n

Answer:

5(x+1)

Step-by-step explanation:

So factor is to make it simplified like x(y+c) {I made up random variable for an example but almost all factored problems look like this}

So first find the Greatest Common Factor or GCF for short

The GCF between 5x and 5 is 5

So you divide the whole thing by 5

5x+5/5

you’d get x+1

Now for the 5 just put it around X+1 but with parenthesis

5(x+1)

Answer:

D.  16

Plzzzzz give me Brainliest!!!!!  

Answer:

What statements =?

Step-by-step explanation:

Answer:

The answer I got was $500

Answer:

$475

Step-by-step explanation:

$25 times 17 years = $425

$50 on 1st year plus the $425 over 17 years

$475

Answer:

615.44m²

Step-by-step explanation:

The base of the silo is a circle

Rea of the base of the silo = πr²

r is the radius of the silo

Given

radius r = 14m

Area of the base of the silo = π(14)²

Area of the base of the silo = 3.14(196)

Area of the base of the silo = 615.44

Hence the area of the base of the silo is 615.44m²

Answer:

false is the correct answer of it if the answer going wrong sorry

Answer:

=    98.7 tons

Step-by-step explanation:

ratio =   3:1:15

amount of sand needed =    (15/19)*125      /  3 + 1 +15  =19

Answer:

c

Step-by-step explanation:

1/81

(1/9)^2

Thanks me later ☺️

Answer:

205.25072

Step-by-step explanation:

use the cone calculator

Step-by-step explanation:

QR is parallel to TU | Given

S is the midpoint of QT | Given

QS = ST | Definition of midpoint

<QSR = <TSU | definition of vertical angles

<QRS = <STU | Definition of Alternate Interior Angles

QSR = TSU | ASA

Pretty sure that's right :D

Also, wherever it says "=", I mean congruency symbol