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mrs_skeptik [129]
3 years ago
13

Please Answer this I really need help. 45 points + brainliest.

Mathematics
1 answer:
Fudgin [204]3 years ago
8 0

Answer:

I think its 42 I'm probably wrong tho :(

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100 PTS:Please help me now plz plz
Alex Ar [27]

Answer:

x = 12

Step-by-step explanation:

We have a right triangle with hypotenuse 10 and the height 8.  Either the one on the left or the one on the right

We can find the base using the Pythagorean theorem

a^2 + b^2 = c^2

a^2 +8^2 = 10^2

a^2  +64 = 100

Subtract 64 from each side

a^2 = 100 -64

a^2 = 36

Take the square root of each side

a = 6

Now a is 1/2 of the total base of the big triangle.  It is identical since the triangles are equal

x = 2 * a

x = 2*6 = 12

4 0
2 years ago
Read 2 more answers
Solve.<br><br> 10 · w = 90<br><br> w = ______
Ratling [72]

Answer:

80

Step-by-step explanation:

10- w = 90

w = 90 -10

w = 80

5 0
3 years ago
Read 2 more answers
Doors for the small cabinets are 14.5 inches long. Doors for the large cabinets are 2.9 times as long as the doors for the small
schepotkina [342]

Answer:

8 doors

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Identify the second step when evaluating the expression: 81 + 3 - 9 + 6 /19?
lord [1]
Order of operations is known as PIMDAS P(Parenthasis) I(Integers) M(Multiplication or Division which ever comes first) (A) (S)Addition and subtraction are last same rule. Whichever one comes first after all other higher steps are acheived.

4 0
3 years ago
Read 2 more answers
I need to know how to do these
Allisa [31]

I'll do one, you can use it as a basis for your answer.

7x ^{2}    + 6 = 13

Subtract 6 from both sides to get X by itself.

7x ^{2}  = 7

Now we divide by 7 for both sides as well.

x {}^{2}  = 1

Now we find the square root of 1 to figure out X.

\sqrt{1}  = 1

Therefore, X=1.

my first answer in about a month. hope this helped.

3 0
2 years ago
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