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tekilochka [14]
3 years ago
15

Problem 1. Sam has Average of three marking periods M3 = 89. What grade he

SAT
1 answer:
REY [17]3 years ago
6 0
First, let’s make an equation

(M1 + M2 + M3 + M4)/4 = 91


Now let’s just assume that M1-3 all equal 89

(89 + 89 + 89 + M4)/4 = 91

(267 + M4)/4 = 91

Now let’s apply the multiply both sides by 4


267 + M4 = 364


And subtract 267 from both sides


M4 = 97


To check plug into the original equation:


(89 + 89 + 89 + 97)/4 = 91





Final answer: Sam needs a 97 in M4

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ziro4ka [17]
On August 7, 1964, Congress passed the Gulf of Tonkin Resolution, authorizing President Johnson to take any measures he believed were necessary to retaliate and to promote the maintenance of international peace and security in southeast Asia.

Tonkin Gulf Resolution

Authority granted by congress to President Johnson in 1964 to approve and support in advance " The determination of the president as commander in Chief, to take all necessary measures to repel any armed attacks against the U.S.

hope this helps.
6 0
3 years ago
What would you tell a friend who tells you, “I’m just not that interested in applying for scholarships. It sounds like so much w
CaHeK987 [17]

Answer: go for it you can do anything you put your mind to

Explanation:

3 0
3 years ago
Read 2 more answers
How do you solve this without using a calculator
My name is Ann [436]

Answer:

A

Explanation:

You must know the basics of Trigonometry to solve this.

First, you must know that

\frac{3\pi}{4}

lies in the second quadrant, so sin is negative.

Next, since

pi/4, is the reference angle of 3 pi/4, this means that we can set up a right triangle with pi/4 as an angle, we get

\cos( \frac{3\pi}{4} )  =  \frac{ \sqrt{2} }{2}

\sin( \frac{\pi}{4} )  =  -  \frac{ \sqrt{2} }{2}

So the answer is A

8 0
3 years ago
Lydia graphed δlmn at the coordinates l (0, 0), m (2, 2), and n (2, −1). She thinks δlmn is a right triangle. Is lydia's asserti
nadya68 [22]

No product results in -1, hence δlmn is NOT a right triangle showing that  lydia's assertion is incorrect

<h3>Perpendicular lines</h3>

In order to determine whether triangle lmn  is right-angled, we need to determine the slope of lm, ln, and mn first as shown:

For the slope of lm:

m_{lm} = \frac{2-0}{2-0}\\ m_{lm} =2/2\\m_{lm} =1

For the slope of ln:

m_{ln} = \frac{-1-0}{2-0}\\m_{ln} =-1/2\\

For the slope of mn:

m_{mn} = \frac{-1-2}{2-2}\\m_{ln} =-3/0 = \infty\\

  • If any of the two lines is perpendicular, hence the triangle lmn is right-angled.

  • To check, we will take the product of the slopes and see if it is equivalent to -1.

Product of slope lm and ln

m_{lm}\times m_{ln} = 1 \times -1/2\\m_{lm}\times m_{ln} = -1/2

Since no product results in -1, hence δlmn is NOT a right triangle showing that  Lydia's assertion is incorrect

Learn more on slopes here: brainly.com/question/3493733

8 0
2 years ago
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Matthew constructs a fence around a patch of grass in his backyard. The patch has a width that is 8 feet more than 4 times the l
andrezito [222]

Answer:

P=380 ft.

Explanation:

Area=length x width

Perimeter= 2*length + 2*width

Width= 4*length + 8

A=5472 ft²

5472= l * (4l +8) (plug in values)

5472 = 4l² +8l (simplify)

4l² + 8l - 5472 = 0 (subtract 5472)

4(l² + 2l -1368) = 0 (factor out a 4)

4(l +38)(l-36)=0 (factor)

l=36 ft. (-38 is extraneous because it is negative)

5472=38*w

w=152 ft.

P=2(38) + 2(152)

P= 380 ft.

5 0
3 years ago
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