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3 years ago

I need the answer ...

Mathematics

1 answer:

solong [7]3 years ago

3 0

Ooh so the directions tell us what we need to find the entire line, which is made up of FH. so just add GH (15) and FG (6) together to find FH. so that is 21. FH=21.

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Determine the unknown length. Round your answer to the nearest tenth, if necessary.

butalik [34]

Answer:

Step-by-step explanation:

a^2+b^2=c^2

a^2+12^2=20^2

144+a^2=400

a^2=256

a=16

5 0

2 years ago

Can someone help me?

Papessa [141]

Answer:

$2x - 2y = 24 \\ 2(x - y) = 24 \\ x = 12 + y......eq(1) \\ 4x + 7y = - 40......eq(2) \\ substituting \: the \: value \: of \: x \: in \: eq(2) \\ 4(12 + y) + 7y = - 40 \\ 48 + 4y + 7y = - 40 \\ 11y = - 40 - 48 \\ y = \frac{ - 88}{11} \\ y = - 8 \\ putting \: the \: value \: of \: y \: im \: eq(1) \\ x = 12 - 8 \\ = 4$

Step-by-step explanation:

3x-2y=24......eqi

x+2y=48........eqii

now solving eq i&ii

4x=72

x=72/4

x=18

now putting the value of x in eqii

18+2y=48

2y=48-18

y=30/2

y=15

7 0

3 years ago

Solve for h: 45 = h+ 19

Anit [1.1K]

Answer:

h = 26

Step-by-step explanation:

45 = h + 19

45-19 = h

26 = h

3 0

3 years ago

Read 2 more answers

How do you work out the size of angle x ?

Andreyy89

Answer:

117°

Step-by-step explanation:

Angle of straight line is 180°

Angles in a triangle add up to 180°

starting at right

180 - 101 = 79° at right side angle in triangle

now solving left side angle

180 - 38 - 79 = 63°

now solving x using left side angle, must add to 180°

x + 63 = 180°

x = 117°

8 0

3 years ago

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natali 33 [55]

Answer:

(0,-3)

Step-by-step explanation:

sold by graphing

6 0

4 years ago