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sp2606 [1]
3 years ago
9

Question 1 Solve the equation: 2z - 1 = -15 x= Blank 1:

Mathematics
1 answer:
charle [14.2K]3 years ago
3 0

Answer:

<h2>z = - 7</h2>

Step-by-step explanation:

2z - 1 =  - 15

<u>Move -1 to the right side of the equation</u>

2z =  - 15 + 1 \\ 2z =  - 14

<u>Divide both sides by 2</u>

\frac{2z}{2}  =  -  \frac{14}{2}  \\

We have the final answer as

<h3>z = - 7</h3>

Hope this helps you

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In the figure, AB ll CD and<br>m4=85<br>What is m5​
AveGali [126]

Answer:

85°

Step-by-step explanation:

m∠4  measures 85 degrees.

m∠4 and m∠5 are alternate interior angles.

The alternate interior angles theorem states that <u>all pairs of alternate interior angles are congruen</u>t, or equal.

m∠4 ≅ m∠5

So, m∠5 should also be 85° as well as m∠4.

5 0
3 years ago
A circle’s diameter is 22 inches. What is the circle’s circumference
alina1380 [7]

Answer:

69.12 in, or 22pi in terms of pi

Step-by-step explanation:

Circumference of circle formula: 2piR

Radius of 22 in diameter is 11 in

So, 2pi(11) is about 69.12 in

8 0
3 years ago
The graph shows the cost of purchasing T-shirts. Find the constant rate of change for the graph. Then explain what points (0,0)
Maru [420]

Answer:

See below

Step-by-step explanation:

As per the attached graph we observe that the constant rate of change is 9 as each step of horizontal change corresponds to 9 steps of vertical change

<u>It is found as the division below:</u>

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Point (0, 0) indicates the start point

Point (1, 9) indicates the cost of 1 t-shirt

4 0
3 years ago
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Ksenya-84 [330]

Hello! Welcome to Brainly! Let's solve together. :)

To put a number into scientific notation, you multiply it by a power of 10 that will make it a digit 1-10.

As you can see, we can divide by 10, or multiply by 1/10 to get us to 1.3, which is between 1 and 10. How would we get 1.3 to 13? We would multiply by 10!

This gives us our answer below.

1.3(10^{1})

I hope this helps!

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Step-by-step explanation:

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