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nikitadnepr [17]
3 years ago
11

7x+3y=11 3x-y=23 Solve by substitution

Mathematics
1 answer:
Pani-rosa [81]3 years ago
8 0
Hope this helps have a nice day :)

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a boy has 90 coins that are all dimes and quarters. if he has $14.55, how many quarters does he have?
GrogVix [38]

Answer:

58

Step-by-step explanation:

remainder 2

3 0
2 years ago
If a 45 45 90 triangle has the hypothenuse of 10 what would the legs x and y be
melamori03 [73]

Answer:

Step-by-step explanation:

When working with 45-45-90 triangles the hypotenuse is the same as the other legs multiplied by root 2. Therefore if you need to find the legs and already have the hypotenuse, divide the hypotenuse by root 2.

10/ sqrt(2) = 7.1 is the rounded answer.

to double check your work just multiply 7.1 by the square root of 2 and you'll get <em>close</em> to 10. (because the answer is rounded and not exact.)

3 0
3 years ago
What is the value of the function at x=−2?
kogti [31]

So for this problem, the x-axis is the horizontal line in the center.

Go to where -2 is on the x-axis as shown. Use your finger to trace along since that's usually helpful in finding the point.

Move your finger from -2 on the x-axis to where the solid black line is. On the right side of that, you can see that the y-axis holds the number 2 which is what the y equals for this solid line.

Therefore, the answer should be c.) y = 2

8 0
3 years ago
8473; to the nearest thousand
ehidna [41]

Answer:8000

Step-by-step explanation:It is 8000 because I’m the hundreds place there is a 4, if there is anything less than a 5 or less you round down, 5 or more you round up.

8 0
3 years ago
Read 2 more answers
Find the quotient 4/15÷1/6
Solnce55 [7]

Answer:

1 3/5

Step-by-step explanation:

4/15÷1/6

Copy dot flip

4/15 * 6/1

24/15

Divide the top and bottom by 3

8/5

Change the improper fraction to a mixed number

5 goes into 8 1 time with 3 left over

1 3/5

4 0
3 years ago
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