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Sedbober [7]
4 years ago
13

1. Write an equation to solve the following. Show all your work, including the steps for solving the equation and checking your

answer. –4 times a number plus 16 is –116. Find the number.
Please explain and list out your answers. Will give brainiest to the right person.
Mathematics
1 answer:
tankabanditka [31]4 years ago
4 0
Let's solve this problem step-by-step.

STEP-BY-STEP SOLUTION:

To begin with, let's translate the word problem into a mathematic equation as displayed below:

Let x = unknown number

- 4x + 16 = - 116

We will begin by taking 16 to the right-hand side and simplifying.

- 4x + 16 = - 116

- 4x = - 116 - 16

- 4x = - 132

From here, we will make ( x ) the subject by taking the - 4 to the right-hand side and dividing the - 132 by the - 4.

- 4x = - 132

x = - 132 / - 4

Now, we simplify again to achieve the final answer.

x = - 132 / - 4

x = 33

ANSWER:

Therefore, the unknown number is 33.
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Can some one help me with 1,3,and 5
FrozenT [24]

1. 2/100 or 1/50, as 0.02 is equal to 2 hundreths. Simplifying gets you 1/50

3. 1/2 or 50/100, as 0.50 is equal to 0.5 which is equal to 50 hundreths. Simplify to get 1/2

5. 88/100 or 44/50 , as 0.88 is equal to 88 hundreths. After simplifying, you get 44/50

Depending on your teacher, you may be told to not simplify. It depends

8 0
3 years ago
The perfect squares between 22 and 50
ElenaW [278]

Answer:

25, 36, 49

Step-by-step explanation:

Start with a definition of perfect squares. Basically, they're the result of a number multiplied by itself. 2*2, or 2² = 4, which is a perfect square. 3*3, or 3² = 9, and so on. You can keep listing these until you get inside the interval you want (from 22 to 50).

4² = 16

5² = 25 ... so now we're where we want to be!

6² = 36 ... still good

7² = 49 ... that's lower than 50 still

8² = 64 ... and now we're over our limit, so 8 doesn't do the job for us.

The only perfect squares matching your criteria are 25, 36, and 49.

6 0
3 years ago
A cyclist estimates that he will bike 80 miles this week. He actually bikes 75.5 miles. What is the percent error of the cyclist
vazorg [7]

Answer:

6%

Step-by-step explanation:

Estimated distance = 80 miles

Actual distance covered = 75.5 miles

We need to find the percent error of the cyclist's estimate. Its formula is given by :

\%=\dfrac{|\text{actual value-estimated value}|}{\text{actual value}}\times 100

Put all the values,

\%=\dfrac{80-75.5}{75.5}\times 100\\\\=5.96\%

or

= 6%

So, the percentage error is 6%.

4 0
3 years ago
Read 2 more answers
What is the equation of the line through (2, -4) and (0, 4)?
Natasha_Volkova [10]
Answer: C

m = slope

m = (y2 - y1) / (x2 - x1)

2 points:
(2, -4) x1 = 2 and y1 = -4
(0, 4) x2 = 0 and y2 = 4

m = (4 - (-4)) / (0- 2)

m = 8 / -2

m = -4

Equation of the line is : y = mx + b

So we got...

y = -4x + b

Then we can use any of the two points given to solve for b. I’m going to use (0, 4).

y = -4x + b

4 = -4(0) + b

4 = 0 + b

4 = b

Therefore the equation of the line is
y = -4x + 4
4 0
3 years ago
The box plots below show the heights (in centimeters) of the players on the University of Maryland women's basketball and field
vladimir2022 [97]
C. That’s what I think
3 0
3 years ago
Read 2 more answers
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