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3 years ago

Please help me with this question

Mathematics

1 answer:

Drupady [299]3 years ago

8 0

It’s A or C one of those

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Find the value of x and y<br><br> 2x+7y=4<br> -4x-3y=14

guapka [62]

Answer:

x=-5 y=2

Step-by-step explanation:

1) multiplying equation 1 by 4 and multiplying equation 2 by 2 .

2)adding them we get value of y.

3) replacing value of y in either of given equation

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2 years ago

What's the answer <br>1-(-5)

Hatshy [7]

Answer:

Step-by-step explanation:

since there is a parentheses in-between both subtraction sign it turns into a plus sign which would into the equation 1+5=6

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4 years ago

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HELPPP I NEED THE ANSWER FAST PLEASEEE Shirley is buying a $27 scarf. If the sales tax is 7.25% and she hands the cashier $30, h

Elodia [21]

Hi, I think the answer should be $4.26

7.25% × $24 = $1.74

$24 +1.74 = $25.74

Change is the difference between the amount tendered and this total amount:

$30.00 -25.74 = $4.26

6 0

3 years ago

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Diana ran a total of 9 3/4 miles over three days. She runs the same distance each day. How many miles did Diana run each day?

Natasha2012 [34]

Answer:

3 1/4

Step-by-step explanation:

4 0

3 years ago

Jack picked 76 apples. Of these, he sold 4y apples to Juanita and 3t apples to Sylvia. If he kept the remaining apples, how many

Alex Ar [27]

Answer:

Number of apples remaining with him will be 2 when we combined both the conditions.

Step-by-step explanation:

Given;

Number of apples Jack Picked =76

Number of apples sold to Juanita = 4y

Number of apples sold to Sylvia = 3t

We need to find the Number of apples remaining with him.

Solution:

To find the Number of apples remaining with him we will Subtract Number of apples sold to Juanita and Number of apples sold to Sylvia from Number of apples Jack Picked.

framing in equation form we get;

Number of apples remaining with him = $76-4y-3t$

Now Given:

Condition 1 : y ≥ 15 and t = 2

So we can assume y =16 and t =2

Number of apples remaining with him = $76-4\times16-3\times2 = 76 -64 -6 = 6$

Also we can say that y =17 and t =2

Number of apples remaining with him = $76-4\times17-3\times2 = 76 -68 -6 = 2$

So the Given data is Insufficient to find the Number of apples remaining with him.

Condition 2 : y = 17

Number of apples remaining with him = $76-4\times17-3t = 76 -68 -3t = 8-3t$

Since value of t is not given we can say that;

Given data is insufficient to find the number of apples remaining with him.

Condition 3 : Combined i.e y = 17 and y≥ 15 t = 2

Number of apples remaining with him = $76-4\times17-3\times2 = 76 -68 -6 = 2$

Hence we can say that Number of apples remaining with him will be 2 when we combined both the conditions.

7 0

3 years ago