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Ratling [72]
3 years ago
6

What is the first step to solving this equation? 8 + 9z = -6

Mathematics
2 answers:
Lisa [10]3 years ago
7 0

the fist is 9z+8=-6

but the answer was -14/9

hope that helps you!!!!!

Vsevolod [243]3 years ago
3 0
I'll just solve the entire equation, yeah?

Let's solve your equation step-by-step.<span><span>8+9z</span>=−6
</span>Step 1: Simplify both sides of the equation. <span><span>9z+8</span>=−6
</span>Step 2: Subtract 8 from both sides. <span><span><span>9z+8</span>−8</span>=<span>−6−8 </span></span><span>9z=−14
</span>Step 3: Divide both sides by 9. <span><span>9z/9</span>=<span>−14/9 </span></span>z=-14/9
Answer:<span>z=<span>−14/9</span></span>
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IgorC [24]
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\frac{4}{6}
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5 0
3 years ago
Read 2 more answers
17. Which of the following equations would graph a line parallel to 3y = x + 5? (
Naddik [55]

The equation 3y = x + 1 would graph a line parallel to 3y = x + 5 ⇒ 1st

Step-by-step explanation:

Parallel lines have same slopes and different y-intercepts

To find which equation would graph a line parallel to 3y = x + 5

1. Put the equation in the form of y = mx + c

2. m is the slope of the line and c is the y-intercept

3. Look for the equation which has the same values of m and different

   values of c

∵ 3y = x + 5

- Divide each term of the equation by 3 to put the equation in the

 form of y = mx + c

∴ y = \frac{1}{3} x + \frac{5}{3}

∴ m = \frac{1}{3}

∴ c = \frac{5}{3}

The first answer:

∵ 3y = x + 1

- Divide each term of the equation by 3

∴ y = \frac{1}{3} x + \frac{1}{3}

∴ m = \frac{1}{3}

∴ c = \frac{1}{3}

∵ The two equations have same slope m = \frac{1}{3}

∵ The two equations have different y-intercepts c = \frac{5}{3}

   and c = \frac{1}{3}

∴ 3y = x + 5 and 3y = x + 1 represent two parallel lines

The equation 3y = x + 1 would graph a line parallel to 3y = x + 5

Learn more:

You can learn more about slope of a line in brainly.com/question/12954015

#LearnwithBrainly

8 0
3 years ago
What is the sum of 9+10 (;
garri49 [273]

Answer:

19 or 21.

Step-by-step explanation:

I swear.

5 + 5 = 10

10 + 5 = 15

15 + 4 = 19

________________

9 + 9 = 18

18 + 10 = 28

28 - 5 = 23

There are two nines so

23 - 2 = 21

6 0
3 years ago
HELP ME PLS ITS 3AM IM TIRED // geometry HL AND CPCTC
Firlakuza [10]

Answer:

b

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angle b = angle e = 90 (given) R

if ac = df H

bc = ef (given) S

4 0
3 years ago
Daniel deposits $300 into an account that earns 16% interest annually. Which equation can be used to model his account balance,
MAVERICK [17]

Answer:

y=300(1+0.16)^x

Step-by-step explanation:

<h2>This account  can be  modeled using the compound interest formula.</h2><h2>the compound interest formula is expressed as</h2>

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Where

A =final amount  = y

P=initial principal balance = $300

r=interest rate  = 16%= 0.16

t=number of time periods elapsed= x

Hence the equation to model his account balance/ final amount A (y) after time (x) years is

y=300(1+0.16)^x

5 0
2 years ago
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