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3 years ago

PLEASE HELP I NEED TO PASS THIS EXAM!Given that triangle IHJ is equiangular, find x and y.

Mathematics

2 answers:

jok3333 [9.3K]3 years ago

8 0

Use the interior angles theorem for the triangles I hope my answer helped if you have any questions don't be afraid to ask <span>(o^▽^o) <3</span>

AlexFokin [52]3 years ago

7 0

Answer:

Step-by-step explanation:

I got it right on edge

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Can someone please help me with math.

Umnica [9.8K]

Answer:

9) C. 35 + 0.12x = 44.36

10) B

11) A. 32

Step-by-step explanation:

44.36 is the TOTAL so the equations have to EQUAL it.

PER mile means it's a variable so it's 0.12x:

35 is a constant so there's no variable attached:

35 + 0.12x = 44.36

10)

B because you have to cancel the y values and to do that, you multiply the 1st equation by 3.

11)

0.1x + 0.25(46 - x) = 6.70

0.1x + 11.5 - 0.25x = 6.7

-0.15x = 6.7 - 11.5

-0.15x = -4.8

x = 32

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3 years ago

Marking as brainliest

fredd [130]

Answer:

13.1 (3sf)

Step-by-step explanation:

14 ^2 - 5^2 = 171

root 171 = 13.1 (3sf)

5 0

3 years ago

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An ice cream truck was parked near a beach, and some kids ran to it and formed a line. Then, more kids joined the line by fillin

Irina-Kira [14]

Answer:

Step-by-step explanation:

So, we know that this process happened 3 times in total. The original amount of kids we can call x, so the next wave filled in the gaps inbetween, so we call that amount x-1, the next wave would be (x+x-1)-1 or 2x-2, and the last would be 4x-4

adding this all up we get 8x-7=49, so 8x = 56 or x = 7

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2 years ago

Because of water erosion a sandy coast can erode about five meters every five years. Suppose the coast continue to erode at the

sweet-ann [11.9K]

It would erode 50 meters

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3 years ago

Evaluate the expression for the given values of the variables. Under selected conditions, a sports car gets 14 mpg in city drivi

Degger [83]

Answer:

28 gallons

Step-by-step explanation:

We are given that a sports car gets 14mpg in city driving and 19mpg for highway.

The model G= $\frac{1}{14} c+\frac{1}{19 }h$

Where G=Amount of gasoline used (in gal) for c miles driven in the city and h miles driven on the high way.

Amount of gas used in 14 miles car in the city driving=1 gal

Amount of gas used in 1 mile car in the city driving= $\frac{1}{14} gal$

Amount of gas used in c miles car in the city driving = $\frac{1}{14}c$ gal

Similarly, for car driving on highway

Amount of gas used in h miles for car driving on highway= $\frac{1}{19}h$

c=98 miles in the city

h=399 miles on the highway

We have to find the amount of gas used required to derive 98 miles in the city and 399 miles on the highway.

Substitute the value of c and h in the given expression

Then, G= $\frac{1}{14}\times 98+\frac{1}{19}\times 399=7+21=28 gal$

Hence, the amount of gas required to derive 98 miles in the city and 399 miles on the highway=28 gallons

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4 years ago

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