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vaieri [72.5K]
3 years ago
5

If 25=4x-7, then x =

Mathematics
1 answer:
sasho [114]3 years ago
6 0

Answer:

x=8

Step-by-step explanation:

Move all terms that don't contain  x  to the right side and solve.

You might be interested in
How many centimeters are there in 1 yard if there are 2.54 centimeters per inch? Show your work and express your answer without
sasho [114]

Answer: 91.44

Step-by-step explanation:

There are 3 feet in a yard, 12 inches in a foot. 2.54 x 12= 30.48

30.48 x 3= 91.44

I hope this helps!

3 0
2 years ago
Tom drank 1 1/4 quarts of water and his sister Jane drank 1.75 quarts of water. Write the amount that Jane drank using a
Andreyy89

Answer:

Jane drank 1 3/4 quarts of water.

Jane drank more water than Tom

Step-by-step explanation:

Tom drank  = 1 1/4 quarts of water

Jane drank = 1.75 quarts of water

We have to write the amount of water Jane drank in fraction.

There are some steps to convert decimal into fraction.

Step 1:

Value is 1.75:

Put the 1 aside and just work on 0.75

Write down the decimal value divided by 1

Like, 0.75/1

Step 2:

Now multiply both the numerator and denominator by 100.

We will multiply the numerator and denominator by 100 because 1.75 has two values after the decimal.

0.75 *100/1*100

75/100

Step 3:

Simplify the fraction.

divide the fraction by 5.

=15/20

=3/4

Now bring back the 1: and the fraction will become.

1 3/4

Jane drank 1 3/4 quarts of water.

Now who drank more water?

<u>Jane drank more water than Tom</u>

<u>Reason:</u>

Tom drank 1 1/4 = 5/4

Jane drank  1 3/4 = 7/4

Both the fractions have same denominator, so the value with the greater numerator drank more water than the other.

Therefore Jane drank more water than Tom....

3 0
3 years ago
Equivalent fractions 3 and4
STALIN [3.7K]
6 and 8
6/8
12 and 16
12/16
4 0
3 years ago
A professor teaches a certain section of material using a lot of examples with sports and cars to illustrate. He is concerned th
ser-zykov [4K]

Answer:

Step-by-step explanation:

Let X represent for males and Y for females

Given that

Group   Group One     Group Two  

Mean 84.00          78.00

SD        4.00                    8.00

SEM 1.26             2.53

N            10              10  

SEM is calculated as \frac{s}{\sqrt{n} } for each group

H_0: \bar x = \bar y\\H_a: \bar x \neq \bar y

(Two tailed test at 5% significance level)

t = 2.1213\\  df = 18\\  standard error of difference = 2.828\\p=0.0480

Since p <0.05 we reject H0 and there is significant difference between the groups.

A.Exam scores were significantly higher in the male group, t(18) = 2.83, p < .05B

4 0
3 years ago
Which relationship describes angles 1 and 2?
Vikki [24]
Vertical angels is the answer
8 0
3 years ago
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