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NARA [144]
3 years ago
9

Evaluate the expression below. (8 - 7)- 4 + 3(-1) 1 -7 -1 7

Mathematics
1 answer:
Masja [62]3 years ago
4 0

Answer:

answer is -1 according to calculation

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Find the value of the lettered angles in these diagram​
Sedaia [141]

Answer:

1. m = 65°

x = 30°

2. x = 40°

Step-by-step explanation:

1. Since the figure is an isosceles triangle, m = 2x - 5

180 - 50 = 130 (Total degree for both m and 2x - 5)

130 ÷ 2 = 65 (m and 2x - 5 angle degrees)

65 - 5 = 60 (2x)

2 x = 60°

x = 60 ÷ 2 = 30°

2. I forgot the parallel rule for question 2, but I think X and 40° is parallel to each other?

8 0
4 years ago
Find the perimeter of the trapezoid <br> (5,1)( 5,-4) (1,1) (-2,-4)
klemol [59]

Answer:

i cold not find the answer

Step-by-step explanation:

6 0
3 years ago
A ball is thrown into the air. The height h, in feet, of the ball after x seconds is given by the function h = −16(x − 2)2 + 72.
Anon25 [30]

Answer:

A. -16x²+64x+8

B. 72 ft.

Step-by-step explanation: A. Expand the perfect square binomial -16(x²-4x+4)+72, dist. -16 (-16x²+64x-64+72), then combine like terms (-16x²+64x+8)

B. Find the abs. max. by looking back at the vertex form. The max is (2,72). Use the y-value for the height.

3 0
3 years ago
How much is 6.35÷ 3.21=​
spin [16.1K]

Answer:

1.98 or 2

Step-by-step explanation:

6.25 divided by 3.21 is 1.978193146417445‬ but can be rounded up to 1.98 or 2

7 0
3 years ago
Read 2 more answers
for the following grouped frequency distribution table of exam score, how many students had scores higher than X =54 table shown
serg [7]

Answer:

The answer is c 7 students got higher than 54

4 0
3 years ago
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