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notsponge [240]
2 years ago
8

Samantha invited 30 friend to her birthday party. If 2 out of 3 friend invited came to the birthday party, how many friends came

?
HELP ME PLEASE!!!!!
Mathematics
1 answer:
lord [1]2 years ago
4 0

Answer:

20 people

Step-by-step explanation:

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18. A jar contains 200 coins.
dimaraw [331]

Answer:

Step-by-step explanation:

3 coins pulled are 10 cents or more

5 coins are under 10 cents    

so 3 out of 8 coins are 10 cents or more    

the jar contains 200 coins

This is a ratio problem  3 is to 8  as  x (an unknown value) is to 200

3/8  = x/200       solve for x

times both sides by 200

200(3/8) = x                          solve directly here using a calculator

600/8  = x                             or keep similifying until you can divide more

300/4  = x                              easily   I kept dividing the numerator and the

150/2   = x                              denominator by 2 until i got 150/2 = 75

75 = x

6 0
2 years ago
Jennifer babysat for 6 hours and earned $52.50.<br> divide what is her hourly rate?
cricket20 [7]

Answer:

$8.75

Step-by-step explanation:

52.50/6=8.75

To make sure that is correct

8.75×6

7 0
2 years ago
Read 2 more answers
Complete the Domain and Range worksheet attached. You can type the answer into submit
VMariaS [17]
There different from there own way there celebrities and there ways
3 0
3 years ago
I need some help with solving this problem 8d-5&lt;6d+8
Lina20 [59]

Answer: d < 13/2

Step-by-step explanation:

Rearrange:

Rearrange the equation by subtracting what is to the right of the greater than sign from both sides of the inequality :

                    8*d-5-(6*d+8)<0  

Step by step solution :

Step  1  :

1.1    Divide both sides by  2  

     d-(13/2)  < 0

Solve Basic Inequality :

1.2      Add  13/2  to both sides

            d < 13/2

Inequality Plot :

1.3      Inequality plot for

        2.000 d  - 13.000  <  0

6 0
3 years ago
Points P, Q, and S are collinear. What is m∠PQR? Straight angle P Q S is divided into 2 angles, P Q R and R Q S, by ray Q R. Ang
andreyandreev [35.5K]

Answer:

Step-by-step explanation:

If P, Q and S are collinear, then the three points lies on the same straight line.

If the Straight <P Q S is divided into 2 angles, <P Q R and <R Q S, by ray Q R, then;

<P Q R + <R Q S = 180

Given

<R Q S =x+1

<P Q R = 3x-5

Substitute the given expression into the formula and calculate x;

3x-5+x+1 = 180

collect like terms

3x+x - 5+1 = 180

4x-4 = 180

4x = 180+4

4x = 184

divide both sides by 4

4x/4 = 184/4

x = 46°

To get m∠PQR, we will substitute x = 46 into the expression for m∠PQR.

m∠PQR = 3x-5

m∠PQR = 3(46) - 5

m∠PQR = 138 - 5

m∠PQR = 133°

Hence the measure of angle m∠PQR is 133°

4 0
3 years ago
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