MATHEMATICS HIGH SCHOOL

Measure of angle 7=2x+15
Measure of angle 8=3x

Answers

Answer 1
Answer: * 7 = 2x + 15
 7 - 15 = 2x
-8 = 2x
-8/2 = x
-4 = x

Measure of angle: -4

*8 = 3x
8/3 = x

Measure of angle:  8/3

I hope it helped. :)

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$48 marked down by 20%

Answers

48-20%=48*(1-0.2)=48*.8= 38.4
$38.40

Rachel deposits $100 in a bank account and she gets 8% simple interest on it. Which linear model gives the return on her investment in terms of time t in years?a. R = 8t – 100
b. R = 8t + 100
c. R = 2t + 100
d. R = 88t + 100
e. R = 3t + 108

Answers

The answer would be B because the 100 stays in there and you are adding 8% per year. Hope this helps.

Please help me with this, i just need this question and i'll be able to graduate

Answers

easey, just multiply everybody and add the exponents for like terms remember
(a^m)(a^n)=a^(m+n)
also
(ab)c=a(bc)
so

-4x³y²(7xy⁴)=
-4*x³*y²*7*x*y⁴=
-4*7*x³*x*y⁴*y²=
-28*x⁴*y⁶
-28x⁴y⁶

Two minutes after a diver enters the water, he has descended 52 feet After 5 minutes, he has descended 130 feet At what rate is the scuba diver descending

Answers

Answer:

26ft/minute

Step-by-step explanation:

The question asks to calculate the rate at with a scuba diver is descending.

Firstly, we should know that the rate at which the scuba diver is descending is calculated as the total amount of distance descended, divided by the total amount of time taken.

The total amount of distance descended is 52ft + 130ft = 182ft

The total amount of time taken is 5 + 2= 7 minutes

The rate of descending is thus 182ft/7min = 26ft/minute

A+5 a+5 a

please help me write it in simplest form

Answers

Answer:

Therefore, the simplest form of the expression "A + 5a + 5a" is "A + 10a"

Step-by-step explanation:

To simplify the expression "A + 5a + 5a" in its simplest form, we can combine like terms. "A" and "5a" are like terms because they both have the variable "a" raised to the power of 1. So, combining "A" and "5a" gives us: A + 5a + 5a = A + 10a

Perimeter of a triangle with the given sides 12in 9in 15in

Answers

36 in for the triangle the perimeter is the outside length so it...
to find a perimeter add all the sides of the shape.  so 12+9+15 is 36.  the perimeter of the triangle is 36
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