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MrMuchimi
2 years ago
12

Write an equation that has addition and multiplication and has the solution x=-2

Mathematics
2 answers:
RoseWind [281]2 years ago
3 0

Answer:

tart with the solution

x=-2

use the reverse of what they asked

they wanted division and addition

we use multiplication and subtract

ok

x=-2

we can use subtraction and multiplication in any order

minus 10 from both sides

x-10=-35

multiply both sides by 4

4(x-10)=-140

4x-40=-140 is a possible equation

Step-by-step explanation:

Lorico [155]2 years ago
3 0

If you’re looking for any equation in general, you could do (x+2)(x+2)=0 {(x+2)^2=0)} this would be an equation that has multiplication and a solution of x=-2.

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love history [14]

Answer:

64

Step-by-step explanation:

6 0
3 years ago
Roger the park ranger was standing in a look out tower that was 200 ft tall. Looks down, sees a fire. Angle of depression is 7 d
Ainat [17]

Answer:

approx. 24.6 ft

Step-by-step explanation:

x=the distance of the fire from the base of the tower

200ft=the height of the tower

7 degrees=the angle of depression

Using these values you can draw a diagram that highlights that you need to use trig. to work out the answer.

Using Tan:

Tan 7=x/200 ft

multiply both sides by 200 ft

200*tan 7=24.55691218

approx. 24.6 ft

8 0
3 years ago
A regular pentagon has an apothem of 7.3 inches and a perimeter of 53 inches. What is the area of the pentagon? Round your answe
zvonat [6]

Answer:

Area pf the regular pentagon is 193inch^{2} to the nearest whole number

Step-by-step explanation:

In this question, we are tasked with calculating the area of a regular pentagon, given the apothem and the perimeter

Mathematically, the area of a regular pentagon given the apothem and the perimeter can be calculated using the formula below;

Area of regular pentagon = 1/2 × apothem × perimeter

From the question, we can identify that the value of the apothem is 7.3 inches, while the value of the perimeter is 53 inches

We plug these values into the equation above to get;

Area = 1/2 × 7.3× 53 = 386.9/2 = 193.45 which is 193inch^{2} to the nearest whole number

3 0
3 years ago
Read 2 more answers
Ted jogged a total of 11.2 miles in 4 days. He jogged the same distance each day
marta [7]

Answer:

Part A: 2.8 miles

Part B: 16.8 miles

Step-by-step explanation:

First, solve for how many miles Ted jogged in 1 day:

Variable x = number of miles

11.2/4 = x/1

Cross multiply

11.2 × 1 = 4 × x

11.2 = 4x

Divide both sides by 4

2.8 = x

He jogged 2.8 miles every day.

To find how many miles Ted would jog in 6 days, simply multiply his miles per day by the number of days he will jog:

2.8 miles × 6 days = 16.8 miles in 6 days

3 0
3 years ago
Erica solved the equation -5x - 25 = 78; her work is shown below. Identify the error and were it was made
Nata [24]

Answer:

A

Step-by-step explanation:

It's A because she subtracted a negative and that only make a bigger negative where she should have added

7 0
2 years ago
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