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Inga [223]
2 years ago
10

Could I have help with this question please

Mathematics
2 answers:
atroni [7]2 years ago
5 0
A) 3.5
B) 9.8666

Hope this helps
Bond [772]2 years ago
5 0
A.) 5-2 is 3 and 3/4 - 1/4 is 2/4 which simplifys to 1/2. So the answer to A) is 3 1/2.

B.). You need to find a common denominator for 2/3 and 1/5. So you would multiply 2(5)/3(5) and get 10/15. You need to do 1(3)/5(3) which gives you 3/15. Then you add them together which is 13/15. Then you add 7+2 which is 9. so your finally answer should be 9 13/15.
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Help with this plz.<br>Solve the system of equations using the elimination method.​
forsale [732]

Let's solve your system by elimination.

8x+y=−16;3x−y=5

8x+y=−16

3x−y=5

Add these equations to eliminate y:

11x=−11

Then solve: 11x=−11 for x:

11x=−11

11x

11

=

−11

11

(Divide both sides by 11)

x=−1

Now that we've found x let's plug it back in to solve for y.

Write down an original equation:

8x+y=−16

Substitute: −1 for x in 8x+y=−16:

(8)(−1)+y=−16

y−8=−16(Simplify both sides of the equation)

y−8+8=−16+8(Add 8 to both sides)

y=−8

Answer:

x=−1 and y=−8

5 0
2 years ago
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To make a committee 4 men are chosen out of 6 candidates. What is the probability that 2 certain people will serve on that commi
Ugo [173]

Answer:

The probability that 2 certain people will serve on that committee is 11.11%.

Step-by-step explanation:

Since to make a committee 4 men are chosen out of 6 candidates, to determine what is the probability that 2 certain people will serve on that committee the following calculation must be performed:

4/6 = 2/3

1/3 x 1/3 = X

0.333 x 0.333 = X

0.1111 = X

Therefore, the probability that 2 certain people will serve on that committee is 11.11%.

6 0
3 years ago
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What is 3 square roots of 2
german

Answer:

Step-by-step explanation:

±3√2.  Recall that 2 actually has two roots, one positive and the other negative.

4 0
3 years ago
How does the length of the hypotenuse in a right triangle compare to the lengths of the legs?
gavmur [86]

we know that

In a right triangle we have

two legs and one hypotenuse

Let

a,b -----> the legs of the right triangle

c-----> the hypotenuse of the right triangle (the greater side)

Applying the Pythagoras Theorem

c^{2}=a^{2}+b^{2}

therefore

<u>the answer is</u>

The length of the hypotenuse squared is the length of one leg squared plus the length of another leg squared

6 0
3 years ago
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What are the multiples of 9 that are less than 80?
motikmotik
9,18,27,36,45,54,63,72
6 0
3 years ago
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