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34kurt
3 years ago
14

Use the linear combination method to solve this system of equations. What is the value of 3x+7y=3 X-7y=1

Mathematics
1 answer:
Allisa [31]3 years ago
4 0

Answer:

look at the picture shown

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Simplify (b4)3.<br> O A. 9<br> OB. b?<br> OC. b12<br> OD. b
Sonbull [250]
The answer is b12, so C.
4 0
3 years ago
What is property of equality
Sauron [17]

Answer:

Two equations that have the same solution are called equivalent equations e.g. 5 +3 = 2 + 6. And this as we learned in a previous section is shown by the equality sign =. An inverse operation are two operations that undo each other e.g. addition and subtraction or multiplication and division.

Step-by-step explanation:

6 0
3 years ago
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If a ladder is 5.5 m long and it is placed 3 m from the wall, solve and show the work when you use the Pythagorean Theorem to fi
natali 33 [55]

Answer:

4.609 meters

Step-by-step explanation:

The hypotenuse is the ladder because it is the slanted side. 3m is one of the other side lengths

A^2 + B^2 = C^2

3^2 + B^2 = 5.5^2

9 + B^2 = 30.25

30.25 - 9= B^2

21.25= B^2

4.609=B

4 0
2 years ago
1. What is( - 1/2 + 2)<br>2. 4( 1/2+5/4) + (-5)<br>(please answer, I will mark brainliest)<br>:)​
Ulleksa [173]

1)

\longrightarrow (-\dfrac{1}{2} +2)

\longrightarrow (-\dfrac{1}{2} +\dfrac{4}{2} )

\longrightarrow \dfrac{-1+4}{2}

\longrightarrow \dfrac{3}{2}

\sf \bold{\longrightarrow 1\dfrac{1}{2}}         (final answer)

2)

\longrightarrow \sf 4(\dfrac{1}{2} +\dfrac{5}{4} ) + (-5)

\longrightarrow \sf 4(\dfrac{2}{4} +\dfrac{5}{4} ) + (-5)

\longrightarrow \sf 4(\dfrac{7}{4} ) + (-5)

\longrightarrow \sf 7-5

\longrightarrow  \bold{\sf 2}        (final answer)

4 0
1 year ago
Kate drew 7 octagons an octagon has 8 sides. How many sides did Kate draw ?
Olin [163]

Answer:

56

Step-by-step explanation:

There are 7 octagons each side has 8 so you can do 7x8 which gives your 56 or you can draw out 7 octagons which shows that you drew out 56 sides

3 0
3 years ago
Read 2 more answers
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