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adelina 88 [10]
3 years ago
11

I don't get this plz help me now and show work I am not good at this number 8

Mathematics
1 answer:
liq [111]3 years ago
8 0
Its letter a because 70 times 60 is 4200
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use opposite operations to solve the folling: iverse of add- subtract- multiply- divide 7+x=21 how am i suppose to do this quest
MAXImum [283]
21-7= 14 so c would be 14
5 0
3 years ago
If the lengths of the legs of a right triangle are 5 and 12, what is the length of the hypotenuse?
kondor19780726 [428]

Answer:

13

Step-by-step explanation:

If we have a right triangle, we can use the Pythagorean theorem to find the hypotenuse

a^2+b^2 = c^2 where a and b are the legs and c is the hypotenuse

5^2 + 12^2 = c^2

25+144= c^2

169 = c^2

Take the square root of each side

sqrt(169) = sqrt(c^2)

13= c

4 0
3 years ago
Read 2 more answers
Solve for x. Express the answer in simplest form. 2 over 1 = 8x - 2 over 9
Mkey [24]
2/1 = (8x-2)/9
2=(8x-2)/9
18=8x-2
20=8x
x=8/20
x=2/5
8 0
3 years ago
Plz tell answer for 33 pnts but dont scam​
Alchen [17]

Answer:

(i)

<u>Given</u>

  • ∠BED = ∠BAC

<u>Also we see that</u>

  • ∠ABC = ∠DBE as refer to same angle

<u>Since two angles of triangles are congruent, the triangles are similar by </u><u>AA similarity postulate</u>

  • ΔABC ~ ΔEBD

(ii)

<u>In similar figures corresponding parts have same ratio. Use ratios to find the value of x:</u>

  • AB/EB = AC/ED
  • 12/8 = x / 4
  • x = 4*12/8
  • x = 6 cm
3 0
3 years ago
Find the area of this compound figure
AysviL [449]

Trapezoid, height 7, bases 5 and 6, so

area = (1/2) (6 + 5)(7) = 77/2 = 38.5

Answer: 38.5

As a check it's a 7×5 rectangle plus a 7×1 right triangle, so

A = 7×5 + 7×1/2 = 35 + 3.5 = 38.5, good

6 0
3 years ago
Read 2 more answers
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