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Solnce55 [7]
2 years ago
11

Use benchmarks. estimate

Mathematics
2 answers:
astra-53 [7]2 years ago
8 0

Hi!

Your answer would be 7/8

Here's the math to prove it:

Step 1) You need to find the common denominator.

Its 8

Step 2) Make all of your denominators 8.

1/8 already has a denominator of 8, so it is okay.

3/4 on the other hand doesn't have a denominator of 8.

To change it you would have to do this:

3*2=?

-       -

4*2=8

3*2=6

Step 3) Now we will take 1/8 and add it to 6/8

We get 7/8

This is in simplest form.

Thus, 7/8 is your answer

I hope this helped!

Have a good day/night!

God bless!

ra1l [238]2 years ago
5 0

Answer:

  • 7/8.

Step-by-step explanation:

<u>Given equation:</u>

  • 1/8 + 3/4

<u>Simplify then solve:</u>

  • 1/8 + 3/4
  • = 1/8 + 6/8
  • = 7/8

<u>Can't simplify the answer.</u>

Answer is 7/8.

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Which of the following relations is a function?
MrMuchimi

Answer:

<em>A. (1,4), (-5, 2), (7, 1), (-8, 2)</em>

Step-by-step explanation:

<u>Definition of a Function</u>

A function is a relation between an input and an output set of values with the condition that every element in the input set relates only to one element in the output set.

From the four options presented in the question, we must select the only one that doesn't repeat the value for x and has a different value of y.

For example, the set

B. (1,4), (-5, 6), (1, 3), (-8, 2) is not a function because the input value of 1 has two different output values

C. (1,0), (-5,3), (7, 1), (-5,5) is not a function either because the input value of -5 has two different output values

The correct choice is:

A. (1,4), (-5, 2), (7, 1), (-8, 2)

6 0
2 years ago
Find the slope of each of the lines below:
kolezko [41]
When a line in a slope graph has no rise/run like this one, there is no slope.
The slope is "Undefined".
3 0
3 years ago
O triplo de um número, menos 10 é igual ao próprio número mais 70. Qual é esse número?
marin [14]

Answer: 40

Step-by-step explanation:

3x-10=x+70

3x-x=70+10

2x=80

x=8<u>0</u>

    2

x=40

8 0
3 years ago
Read 2 more answers
Which correctly describes the graph shown below
Alborosie
The answer is C. Explanation: The line isn’t a straight line, so it can’t be a linear line. Then, do the vertical line test to see if the line is a function (to do this, draw a vertical line through the graph, and see if it passes more than one point on the graph. If the vertical line passes any more than one point on the graph on any spot, it is not a function), and since the graph fails the vertical line test, it is not a function. Therefore, the answer is C.
5 0
3 years ago
During a recent drought, a water utility in a certain town sampled 100 residential water bills and found out that 73 of the resi
ankoles [38]

Answer:

(0.6430, 0.8170)

Step-by-step explanation:

Given that during a recent drought a water utility in a certain town sampled 100 residential water bills and found out that 73 of the residences had reduced their water consumption over that of the previous year.

Sample size n = 100

Sample proportion p = \frac{73}{100} =0.73

q = 1-p = 0.23

Std error of proportion = \sqrt{\frac{pq}{n} } \\=\sqrt{\frac{0.73*0.27}{100} } \\=0.04440

95% Z critical value = 1.96

Margin of error = 1.96*0.0444 = 0.0870

Confidence interval = sample proportion ±margin of error

0.642983946

0.817016054

(0.6430, 0.8170)

4 0
3 years ago
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