3 years ago

Geometry question — BRAINLIEST!! See image!

Mathematics

1 answer:

Keith_Richards [23]3 years ago

5 0

Answer:

D. This should be the correct answer as it shows similarity through AAA.

A. is not correct because one side is not enough to determine similarity.

B. is not correct because it angle Z & angle Y are not similar.

C is not correct because line ZY and YX are not similar.

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Find the indicated sum.

OlgaM077 [116]

Answer:

B. 70

Step-by-step explanation:

We have the sum given by $\sum_{i=1}^{5}(i+11)).$

Now, we open the summation by substituting the values of 'i',

i.e. $\sum_{i=1}^{5}(i+11)).$ = (1+11) + (2+11) + (3+11) +(4+11) +(5+11)

i.e. $\sum_{i=1}^{5}(i+11)).$ = 12 + 13 + 14 + 15 + 16

i.e. $\sum_{i=1}^{5}(i+11)).$ = 70.

Hence, the sum of $\sum_{i=1}^{5}(i+11)).$ is 70.

So, option B is correct.

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4 years ago

An electric company charges $0.018 per kilowatt hour or the first 500 kWh and $0.056 per kWh after 500 kWh. Write a piece wise f

Serjik [45]

F(x)= 0.018x, for 0≤x≤500
f(x)= (0.018×500) +0.056(x-500), for x>500

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3 years ago

20 (a) What is the largest multiple of both 4 and 5 that is less than 50?

kati45 [8]

Answer:

Step-by-step explanation:

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3 years ago

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A turtle can walk 1/12 of a kilometer in an hour the turtle is 1/5 of a kilometer away from a pond

34kurt

Answer:

$2\frac{2}{5}\ h$

Step-by-step explanation:

we know that

A turtle can walk 1/12 of a kilometer in an hour

by proportion

Find how long will it take the turtle to reach the pond (1/5 km)

$\frac{1}{(1/12)}\frac{h}{km}=\frac{x}{(1/5)}\frac{h}{km} \\ \\x=\frac{(1/5)}{(1/12)} \\ \\x=\frac{12}{5}\ h$

Convert to mixed number

$\frac{12}{5}\ h=\frac{10}{5}+\frac{2}{5}=2\frac{2}{5}\ h$

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3 years ago

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Please help, i have no idea what i did wrong.<br> 20 points !

tresset_1 [31]

Answer:Second Step

Step-by-step explanation:

On the right side in step two you added -3b-15b, and ended up with -12b. This is incorrect. -3b-15b is actually -18b

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3 years ago