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Harrizon [31]
3 years ago
7

A. i. Write down the 2 x 2 matrix. R, corresponding to a reflection in the origin​

Mathematics
1 answer:
lisov135 [29]3 years ago
7 0

Answer:

4

Step-by-step explanation:

that was easy

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Solve: 2x + 3 = -1<br> Please help me on this question :)
Nina [5.8K]

Answer:

<u>x=-2</u>

Step-by-step explanation:

the while goal of this is to isolate the x on one sideso x= the answer, so

first you would want to take the 3 and subtract it from both sides giving you 2x=-4 and then you would divide the 2 to further isolate the x giving you <u>x=-2.</u>

4 0
2 years ago
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Restaurant sells 10 tacos for seven dollars or five of the same kind of taco for $3.20 which is the better deal explain how you
nadezda [96]

Answer:

The first deal:10 tacos for $7

Step-by-step explanation:

5 times 3.20 = 16$ and 10 tacos=$7

5 0
3 years ago
2.5kg cost £1.40<br> what is the cost of 4.25kg
madreJ [45]

Answer:

it is 5.7

Step-by-step explanation:

4.25 × 1.40

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8 0
3 years ago
Find the volume of the pyramid. v=
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Answer:

240 mi^3

Step-by-step explanation:

Base area = length x width = 10 x 8 = 80 mi^2

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3 years ago
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-18-11-7

A really easy way is to add all of it together and then slap a "-" sign in front.

18+11=29+7=36

-36

hope it helps!

7 0
3 years ago
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