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Firlakuza [10]
3 years ago
11

Help! 20 points svhs

Mathematics
2 answers:
statuscvo [17]3 years ago
8 0

Answer:

2

Step-by-step explanation:

First add all your like terms.

52a - 25 = 79

Add 25 to both sides to cancel the 25 and isolate the variable.

52a = 104

Divide both sides by to find a.

a = 104/52

a = 2

zepelin [54]3 years ago
5 0

Answer:

d. 2

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

45a−25+7a=79

45a+−25+7a=79

(45a+7a)+(−25)=79(Combine Like Terms)

52a+−25=79

52a−25=79

Step 2: Add 25 to both sides.

52a−25+25=79+25

52a=104

Step 3: Divide both sides by 52.

52a

52

=

104

52

a=2

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What is -0.8 as a fraction?
stira [4]

Answer:

-\frac{4}{5}

Step-by-step explanation:

There is not much that can be done to figure out how to write 0.8 as a fraction, except to literally use what the decimal portion of your number, the .8, means.

Since there are 1 digits in 8, the very last digit is the "10th" decimal place.

So we can just say that .8 is the same as 8/10.

The fraction is not reduced to lowest terms. We can reduce this fraction to lowest  terms by dividing both the numerator and denominator by 2.

Why divide by 2? 2 is the Greatest Common Divisor (GCD)  or Greatest Common Factor (GCF) of the numbers 8 and 10.

So, this fraction reduced to lowest terms is  4/5

So your final answer is: 0.8 can be written as the fraction 8/10 simplified to 4/5

6 0
3 years ago
Read 2 more answers
A coin is tossed 3 times. What is the probability that the number of tails obtained will be between 1 and 3 inclusive?
LekaFEV [45]

Answer: \dfrac{7}{8}

Step-by-step explanation:

Given : When a coin is tossed twice , the total outcomes will become

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Favorable outcomes to obtain 1 and 3 inclusive = HHT , HTH , THH , TTH , THT , HTT ,TTT

Number of favorable outcomes = 7

Probability that the number of tails obtained will be between 1 and 3 inclusive = \dfrac{\text{Favorable outcomes}}{\text{Total outcomes}}

=\dfrac{7}{8}

Hence, the probability that the number of tails obtained will be between 1 and 3 inclusive =\dfrac{7}{8}

5 0
3 years ago
You have 18 pictures to paste to a poster. You want to arrange them on the poster in rows so that there are an equal number of p
Lesechka [4]

Answer:

no idea too hard but try  math          way

Step-by-step explanation:

7 0
2 years ago
Help ASAP PLEASEEEE help help
ale4655 [162]

Answer:

x=25

Step-by-step explanation:

The total angles of a triangle is 180°

So 180=36+61+(4x-17)

83=(4x-17)

100=4x

x=25

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2 years ago
bill and sam have a coupon for a pizza with 1 topping. The choices of toppings are: pepperoni, sausage, mushrooms, green peppers
cricket20 [7]
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5 0
3 years ago
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