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kow [346]
3 years ago
6

40 PTS HHHHHHHHHHHHHHHHEEEEEEEEEEEEEEEELLLLLLLLLLLLLLLPPPPPPPPPPPPPPPPPPPPSelect all the true statements.

Mathematics
1 answer:
kicyunya [14]3 years ago
5 0

Answer:

180 99 49

Step-by-step explanation:

(4x+16)=180

m<A=99

x=99

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Write an equation that is perpendicular to y= 1/2x+5 and passes through (4,8)
goblinko [34]

Answer:

y = -2x + 16.

Step-by-step explanation:

The slope of the perpendicular line = -1 / slope of the given line

= -1 / 1/2 = -2.

Using the point slope form of the equation of a straight line:

y - y1 = m (x - x1)

y - 8 = -2(x - 4)

y - 8 = -2x + 8

y = -2x + 16  is the required equation.

4 0
3 years ago
Make b the subject of the formula <br><img src="https://tex.z-dn.net/?f=k%20%3D%20%20%5Cfrac%7Bbrt%7D%7Bv%20-%20b%7D%20" id="Tex
balu736 [363]

Answer:

b = \frac{kv}{k+rt}

Step-by-step explanation:

Given

k = \frac{brt}{v-b} ← multiply both sides by (v - b)

k(v - b) = brt ← distribute left side

kv - kb = brt ( subtract brt from both sides )

kv - kb - brt = 0 ( subtract kv from both sides )

- kb - brt = - kv ( multiply through by - 1 to clear the negatives )

kb + brt = kv ← factor out b from each term on the left

b(k + rt ) = kv ← divide both sides by (k + rt )

b = \frac{kv}{k+rt}

5 0
3 years ago
Maria has already written  of her 1,000 word essay. If she continues writing at the same pace of 6 words per minute, which expre
neonofarm [45]
The first thing we must do in this case is to define variables:
 t = time to write the words
 v = write speed.
 w = number of words.
 The correct expression is:
 t = w / v
 By substituting we have:
 t = 1000/6
 t = 166.6666667
 Rounding:
 t = 167 minutes
 Answer:
 
The correct expression is:
 
t = w / v
 The time is:
 t = 167 minutes
8 0
3 years ago
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Use the rule (x, y) (x - 2, y - 4) to graph the image of the rectangle. The. Describe the transformation
Furkat [3]
Move two units left and four units down
6 0
3 years ago
Can anyone help me with this quick question please, ASAP, Thank You!
alexdok [17]

Answer:

15.7 lbs (please mark brainliest)

Step-by-step explanation:

2.6+x+x=34

2x=31.4

x=15.7

8 0
2 years ago
Read 2 more answers
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