All categories

3 years ago

How to solve question one ?

Mathematics

1 answer:

denis-greek [22]3 years ago

6 0

-30-5x=-4x-6(5+4x)

First, you need to use the distributive property on the right to get -30-5x=-4x-30-24x

Then, you can add like terms to get -30-5x=-30-28x

Then, you can add 30 to both sides and add 5x to both sides to get 0=-23x

Finally, you divide both sides by -23 to get 0=x

You might be interested in

The interest that Cindy earns on her investment is given by the equation l = 42t where t is the time in years that her money is

alexandr1967 [171]

I = 42t

When t = 5, I = 42*5 = 210

When t = 6, I = 42*6 = 252

When t = 7, I = 42*7 = 294

When t = 8, I = 42*8 = 336

When t = 9, I = 42*9 = 378

When t = 10, I = 42*10 = 420

8 0

4 years ago

Read 2 more answers

Julie was a lifeguard during the summer. She earned a total of $2,176. She was paid $68 per day she worked. How many days did Ju

creativ13 [48]

Answer:

Step-by-step explanation:

To answer this question, you have to divide 2,176 by 68.

7 0

3 years ago

Read 2 more answers

Aurora has a cell phone plan that charges $65 for phone service plus $12 for eachgigabyte of data used each month. If her bill f

Ivahew [28]

Answer:

4 gigabytes

Step-by-step explanation:

64+12+12+12+12=113

7 0

3 years ago

Read 2 more answers

The measure of each interior angle of a regular polygon is 150 how many sides does the polygon have?

Dmitry [639]

The exterior and an interior angles always add up to 180 degrees.
180-150=One exterior angle
180-150=30
We know that all of the exterior angles add up to 360
360/30= the number of sides
360/30=12
The shape has 12 sides.

3 0

3 years ago

My questions are in the picture please help

Marrrta [24]

21.

So to solve for the value of a variable in an equation, you would need to isolate x on one side. The first thing you have to do is multiply 2 and (x + 7) together, which can be rewritten as 2(x) + 2(7). After multiplying, your equation would be: $2x+14+3x=12$ , or A.

22.

So the rule with multiplying exponents with the same base is to add the exponents together, and the rule with dividing exponents with the same base is to subtract the exponents. Your equation will be simplified as such:

$4^{(3+4)-9}\\ 4^{7-9}\\ 4^{-2}$

Now the rule with converting negative exponents into fractions is $x^{-m}=\frac{1}{x^m}$ . In this case, 4^-2 would turn into $\frac{1}{4^2}$ , or C, which is your final answer.

6 0

3 years ago