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Sedaia [141]
3 years ago
9

Calculate the value of 18(-3)

Mathematics
1 answer:
Anon25 [30]3 years ago
4 0

Answer:

-54

Step-by-step explanation:

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Shaneese is buying peanuts and cashews. she has $12 to spend. peanuts cost $3 per pound and cashews cost $4 per pound. if she bu
zysi [14]

Solution:

We are given that

Shaneese is buying peanuts and cashews.

he has $12 to spend.

peanuts cost $3 per pound and cashews cost $4 per pound.

she buys x pounds of peanuts and y pounds of cashews.

The equation that represents the amount of each is 3x + 4y = 12.

Now we have been asked to find the y-intercept.

To find the y-intercept , we need to set x=0

when x=0, equation becomes

3*0 + 4y = 12.

0 + 4y = 12.

4y = 12.

Divide both the sides by 4 we get

y = 3

Hence the y-intercept is 3.


8 0
3 years ago
Give that the triangles shown below are similar, what is the value of x
Dima020 [189]

X=14 because it is half of 28

Hope this helps

7 0
3 years ago
HELPPP!!
schepotkina [342]

Answer:

Step-by-step explanation:

Comment

A rational number is one that can be expressed as x/y. The first statement is false. All whole numbers are rational. They can always be expressed as x/1

Some rational numbers are not whole numbers. That's true. 4/7 is rational but not whole.

Some irrational numbers are not integers. I'm tempted to say this is true.

pi is irrational and it certainly is not an integer.

Answer

false

true

true.

7 0
2 years ago
The sum of 36.4 and a number is 39.21, as shown below. What number should go in the box to complete the addition problem?
slamgirl [31]

Answer:

The answer would be 2.

Step-by-step explanation:

U just subtract 39.21 -36.4= 2.81

4 0
3 years ago
Help please 30 points
Solnce55 [7]

Answer:

D 43.5

Step-by-step explanation:

Start with a pile of 17 and 3/4 inches.

Over 3 weeks the stack grows by 25.75 inches.

17.75 + 25.75 = 43.5

5 0
4 years ago
Read 2 more answers
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