Please explain your answer thanks

Mathematics

1 answer:

allochka39001 [22]3 years ago

6 0

Melissa is represented by variable m.
Josh is represented by variable j.
Chau is represented by variable c.

m+j+c= 148
c=4m
j=m+10

Substitute for c and j for the first equation.
m+(m+10)+4m=148
6m+10=148
6m=138
m=23

Plug the known m value in
j=23+10
j=33

c=4(23)
c=92

Final answer: Melissa=23 messages, Josh=33 messages, Chau=92 messages

You might be interested in

A ranger spots a forest fire while on a 45-meter observation tower. The angle of depression from the tower to the fire is 12°. T

sergeinik [125]

Correct answer is A.

$\tan{12^o}= \frac{45}{x} 
\\
\\x= \frac{45}{\tan{12^o}}} 
\\
\\x \approx 212 \text{ m}$

8 0

4 years ago

State the property.<br> power property of exponents.

d1i1m1o1n [39]

Answer:

The Power of a Power Property states that if an exponent is being raised to another exponent, you can multiply the exponents. You can use this property to solve a problem like (3x2)3.

Step-by-step explanation: The Power of a Power Property states that if an exponent is being raised to another exponent, you can multiply the exponents. You can use this property to solve a problem like (3x2)3.

4 0

3 years ago

A scale drawing of a school playground in the shape of a rectangle is shown. What is the area in square meters of the playground

Ilya [14]

Answer:

Step-by-step explanation:

8×19= 152

1 : 4.5

152×4.5=684

3 0

3 years ago

Consider the diagram below.<br> Which of the following statements is correct?