MATHEMATICS HIGH SCHOOL

* 16 points *. can somebody help me thanks

Answers

Answer 1

Answer:

Answer:

b) $√(10\n)$

Step-by-step explanation:

use law of sines to find all the sides and angles

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Point E is located at coordinates (-7, -5). Point F is located at the coordinates (-2, 7). What is the length of EF?A. 21 units
B. 17 units
C. 13 units
D. 15 units

Answers

The length EF is 13 units

The coordinates of the points are given as:

Point E = (-7,-5)

Point F = (-2,7)

The length EF is calculated using the following distance formula

$EF =√((x_2 - x_1)^2 + (y_2 -y_1)^2)$

This gives

$EF =√((-2+ 7)^2 + (7+5)^2)$

$EF =√(169)$

Evaluate the root of 169

$EF =13$

Hence, the length EF is 13 units

Answers

This process is:

Distribute of the Negative Sign:
5t+t−3+−1(7t+5−(8−3t))
5t+t+−3+−1(7t)+(−1)(5)+(−1)(−8)+−1(3t)
5t+t+−3+−7t+−5+8+−3t
Now simple, Just Combine Like Terms:
5t+t+−3+−7t+−5+8+−3t
(5t+t+−7t+−3t)+(−3+−5+8)
−4t

-4t would be the answer.

~Evie

I presume that this is talking about simplification with the rule of PEMDAS. First, look at the parenthesis and brackets. Let's do the [(7t + 5) - (8 - 3t)] part first. The parenthesis can go away on the inside if you distribute the negative in (8 - 3t), which flips the signs of those. You should then have [7t + 5 - 8 + 3t], then work it out to form just (10t - 3). The negative will also carry for the brackets that were there before, so - (10t - 3) turns into -10t + 3. Now, you just have 5t + t - 3 - 10t + 3. Work that out to get your final answer of -4t.

-4t is the answer.

How many x-intercepts does the graph of y = x2 have?
A) 0
B) 1
C) 2
D) 3

Answers

I'm pretty sure the answer is 2

2 Which is c !! hope ii help you out aa little

Is the following relation a function?x y
-1 -2
2 3
3 1
6 -2
Answer

No

Yes ...?

Answers

Yes, it is definitely a function. Although one might say that it is not a one to one or injective function because of the presence of (-1,-2) and (6,-2).. The correct option among the two options that are given in the question is the second option. I hope that this is the answer that has actually come to your desired help.

What is one third plus one fourth and what is 1/3 + 1/2

Answers

$(1)/(3)+(1)/(4)=(4)/(12)+(3)/(12)=(7)/(12)\n \n \n(1)/(3)+(1)/(2)=(2)/(6)+(3)/(6)=(5)/(6)$

1/3+1/2=5/6
and 1/4+1/3=7/12

Nancy winter local zoo that featured 11 monkey exhibits if these monkey exhibit make up 55% of the zoo exhibits then how many exhibits does the zoo have until the round your answer to the nearest whole number if necessary

Answers

Answer:

20 total exhibits at the zoo

Step-by-step explanation:

55% of 20 = 11 (monkeys)

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