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drek231 [11]
3 years ago
12

Quinn is determining the area of a trapezoid. His work is shown below.

Mathematics
2 answers:
SOVA2 [1]3 years ago
8 0

Answer:

A = a + b / 2 x h

Step-by-step explanation:

Area is equal to side one plus side two divided by two then you multiply by the height of the trapezoid. Hope this helps!

lawyer [7]3 years ago
7 0

Answer:

C

Step-by-step explanation:

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raketka [301]

Answer:20.00

Step-by-step explanation: next time include the table but i managed to find it anyway

5 0
11 months ago
√3×sinx+cosx=0 tmf nghiệm
Crazy boy [7]

Answer:

x= -30

Step-by-step explanation:

√3×sinx+cosx=0

√3sinx=-cosx

√3sinx/-cosx=1

-sinx/cosx=1/√3

-tanx=1/√3

(tan(180-30))=1/√3

tan(-30)=1/√3

Therefore, x= -30

7 0
2 years ago
How do I turn 1/4 into a decimal?​
dybincka [34]

Answer:

No problem ;)

Step-by-step explanation:

1/4: 0.25

2/4:0.50

3/4: 0.75

4/4(1): 1

<em>Hope </em><em>this</em><em> </em><em>helps </em><em>you!</em>

8 0
3 years ago
Read 2 more answers
100 POINTS HELP ASAP Linear Combination
notka56 [123]

Answer:

1)   x=\dfrac12

2)   n = -3 \ \ \textsf{and} \ \ m = -4

3)  see below

4)  A:  0 = 1

Step-by-step explanation:

<u>Question 1</u>

15-0.5(4x-2)+4x=17

\implies 15-2x+1+4x=17

\implies 2x+16=17

\implies 2x=1

\implies x=\dfrac12

<u>Question 2</u>

\textsf{rearrange} \ n=m+1 :

\implies -m=-n+1

\textsf{add equations} \ -m=-n+1 \ \textsf{and} \ m=2n+2:\\

\implies0=n+3

\implies n=-3

\textsf{substitute} \ \ n=-3 \ \ \textsf{into} \ \ m=n-1:

\implies m=-3-1

\implies m=-4

<u>Question 3</u>

subtract the second equation from the first

divide both sides by -4

substitute found value for y into first equation

solve for x

<u>Question 4</u>

3j=k

k=3j+1

\textsf{rearrange} \ 3j=k :

\implies -k=-3j

\textsf{add equations}\  -k=-3j \ \ \textsf{and}\ \ k=3j+1:

\implies 0=1

Solution = A

6 0
2 years ago
Whats the answer to 8.54 to the nearest tenth
stiks02 [169]
Heres a trick i learned look at the digit your rounding  look to your right is it 5 or higher? yeas add 1 more to the one you are rounding  if not then you drop the  numbers after the one you are rounding so 8.54 is now just 8.5
5 0
3 years ago
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