Question 7 of 10

Mathematics

1 answer:

vlada-n [284]3 years ago

7 0

Answer:

table A and Graph A

Step-by-step explanation:

Because table A u need to do rise/ run

4+4=8 8+4= 12 and 1+1 =2 2+1=3 so 4/1 =4

graph A graphs 4x but B doesn't

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Keiko sewed 3/4 yard of lace on her backpack. Pam sewed 1/4 yard of lace on her backpack. How much more lace did keiko sew on he

irakobra [83]

2/4 or 1/2 yards more of lace

5 0

4 years ago

1. Write out the law of cosines and find the hypotenuse of triangle with 2 sides lengths equal to three and the included angle m

LUCKY_DIMON [66]

Answer:

1.) $\sqrt{13.341}$ ≈ 3.652

2.) I would say something about how the A in front of cos in the equation would change to 90, rather than stay 75 (in the equation for the step by step), but it would be easier to just use the Pythagorean theorem.

Step-by-step explanation:

I think we may have the same class so hopefully this helps:

1.) $a^2 = b^2 + c^2 - 2bccosA$ --> law of cosines formula.

$a^2 = 3^2 + 3^2 - 2(3)(3)cos(75)$ --> plugged in numbers; when you draw the triangle, the included angle would be A, and the opposite side would be a. B and b, and C and c are opposite each other. In this case, a is the hypotenuse.

$a^2 = 18 - 18cos75$ --> in between steps.

$a^2 = 13.341$ --> more simplifying.

$a(hypotenuse) = \sqrt{13.341} or 3.652$ --> answer

2.) This one is just an explanation: The 75 in the equation is the given angle, which is a. If this changes, it would just change in the equation too. And obviously, if it's 90 degrees, you can just use Pythagorean theorem a^2+b^2=c^2.

Good luck! :)

6 0

3 years ago

There are 60 feet between the bases on a softball diamond. How far does a catcher throw drone home plate to second base

mixas84 [53]

Answer: $12\sqrt{5}$