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3 years ago

Okay so 1/4 of __ = 31 ?

Mathematics

2 answers:

Sophie [7]3 years ago

7 0

Answer:

124

Step-by-step explanation:

31 * 4 = 124

124 * 1/4 = 31

k0ka [10]3 years ago

3 0

124
31 * 4 = 124
or
1/4x = 31 and simplify both sides of the equation and isolate the variable

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1). Solve for n n - 63 = 126 *

Zinaida [17]

Answer:

n=189

Step-by-step explanation:

$n-63=126\\n=126+63\\n=189$

I hope this helps! :)

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3 years ago

Maria believes she will get 1 hit in 20% of her softball games, 2 hits in 25% of her games, 3 hits in 50% of her games, and 4 hi

Makovka662 [10]

I would put 2 as the answer

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4 years ago

2. Write the inequality and show all work to solve the

seraphim [82]

Yes you are doing it correctly.
$12.00 + $3.00x <= $24.00
$12.00 + $3.00x - $12.00 <= $24.00 - $12.00
$3.00x <= $12.00
$3.00x/$3.00 <= $12.00/$3.00
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The number line representation will be an arrow with a shaded round head pointing to the left from tne number 4.

6 0

3 years ago

Write two subtraction facts related to 7 +5=12

Lilit [14]

There are different ways you can write these numbers all you do is go by what the number says and think about it.

EX1) 12-5=7

EX2) 12-7=5

5 0

3 years ago

Read 2 more answers

If y-3x=9, 7x+y=25, what is the value of x and y?

lianna [129]

$\bold{\rm{Given}}\text{ : If y - 3x = 9, 7x + y = 25, what is the value of x and y}?$

$\bold{\rm{Solution}} \text{: We'll solve this by substitution method}$

$\dashrightarrow y - 3x = 9 \\ \\ \dashrightarrow \boxed{y = 9 + 3x } \qquad .. \sf eq(1)$

$\text{we got the value of y now getting the value of x}$

$\looparrowright 7x + y = 25 \\ \\ \looparrowright 7x = 25 - y \\ \\ \looparrowright \boxed{x = \frac{25 - y}{7}} \qquad .. \sf eq(2)$

$\text{Now, putting y = 9 + 3x in eq(2)}$

$\hookrightarrow x = \frac{25 - y}{7} \\ \\ \hookrightarrow x = \frac{25 - 9 + 3x}{7} \\ \\ \hookrightarrow 7x = 25 - 9 + 3x \\ \\ \hookrightarrow 7x - 3x = 16 \\ \\ \hookrightarrow 4x = 16 \\ \\ \hookrightarrow x = \frac{16}{4} \\ \\ \star \quad \boxed{ \green{ \frak{ x = 4}}}$

$\text{Now we know the value of x, for getting y we need to put x in eq(1)}$

$: \implies y = 9 + 3x \\ \\ : \implies y = 9 + 3(4) \\ \\ : \implies y = 9 + 12 \\ \\ \star \quad \boxed{\frak{ \green{y = 21}}}$

$\text{Hence, values of x and y are} \: \frak{ \green{4}} \: \text{and} \: \frak{ \green{21}} \: \text{respectively}.$

4 0

2 years ago