How do you solve 9(2x --8) =5x-7 ?

Answers

Answer 1
Answer: 9(2x --8) =5x-7
step 1: simplify   18x - 72 = 5x - 7 
                             23x = -79
step 2: solve it    x = -3.43
Answer 2
Answer: First use distrib. property of mult.
9(2x-8) = 5x - 7 so
18x - 72 = 5x -7
18x-5x = -7+72
13x = 65
13/13x = 65/13
x = 5
Check Ans: 18*5 -72 = 5*5-7
18 = 18 √

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If h(r) = 23r − 6, what is the value of h(-9)? Question 5 options: a) 0 b) 12 c) −623 d) -12

Answers

Answer:

-213

not in d option though check d question

Step-by-step explanation:

h(r) = 23r − 6

h(-9) = 23(-9) - 6

= -207 - 6

= -213

Answer:

-213

Step-by-step explanation:

If h(r) = 23r − 6, then, if we choose r = 2 as an example (only), then:

If h(2) = 23(2) − 6 = 46 - 6 = 40

Using the same approach, we substitute -9 for r, obtaining:

If h(-9) = 23(-9) − 6 = -207 - 6 = -213

This does not match any of the given possible answers.  Please ensure that you have copied down the problem and possible answers accurately.

Ashlee’s garden is 54.75 m long and 35.50 m wide. What is the area of Ashlee’s garden?(Round to the nearest tenth if necessary)

Answers

A=lw are equals length times width so you do 54.75 times 35.50 to get your answer of 1943.625 the number in the tenths spot is 6 so you look at its neighbor to the right and see it is less than 5 so when you round your number you get 1943.6 as your answer (because the numbers to the right of the tenths turned into zero's)

If sin ⁡x=−4/5, and π

Answers

Answer:

Step-by-step explanation:

sin ⁡x=−4/5

x=sin^-1(4/5)

x=about 53.1

x=(-4/5)/sin(53.1 degrees)=about -2.64662408617

what do you need for pi?

Emma ran 3.5 kilomometers, while grace ran 380 meters who ran further

Answers

Emma ran farther than Grace, Emma ran 3500 meters.

What is metric conversion?

Metric Conversion refers to the conversion of the given units to desired units for any quantity to be measured.

Given that, Emma ran 3.5 kilometers, while Grace ran 380 meters.

We know that, 1 km =1000 meters

So, 3.5 kilometers =3500 meters

Thus, Emma ran farther.

Therefore, Emma ran farther than Grace, Emma ran 3500 meters.

To learn more about the metric conversion visit:

brainly.com/question/21244256.

#SPJ2

Emma runs further because 3.5 kilometers=3500 meters.
3500 meters>380 meters
    Emma             Grace

Hope I helped! (:

George spins a spinner 108 times. The spinner lands on a green section 9 times. What is the best estimate of the probability that a spin will land on green? Explain pargraph please

Answers

Answer:

1/12

Step-by-step explanation:

Probability is chance of occurrence.

It is observed that out of 108 trials, there were 9 successes i.e 9 times landing on the green section.

P(green) = 9/108

= 1/12

Two cars drive from town A to town B at constant speeds.the blue car travel 35 miles per hour, and the red car travels 70 miles per hour. the blue car leaves at 10:30, and the red car leaves at noon. the distance between the two towns is 140 miles. which linear equations represents the red car and the blue car? a)red car y=70x
blue car y=35x+52.5

b)red car y=35x
blue car y=70x

c)red car y=70x
blue car y=35x

d) red car y=70x+105
blue car y=35x

Answers

ok so for the red car it should ahave at least y=70x and blue is y=35x at least

cross out answer B

the blue car had a head start so cross out answer that has  no headstart for blue

cross out answers C and D

only one left is A
answer is A (the 52.5 is a result of multiplying 35 by 1.5 hours)





answer is A