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2 years ago

Work out the height of a triangle with base b= 7.7mm and area a=164.78mm2

Mathematics

1 answer:

solong [7]2 years ago

5 0

Answer:

21.4 mm

Step-by-step explanation:

area ÷ base = height

164.78 mm^2 ÷ 7.7 mm

21.4 mm

Check:

base • height = area

7.7 mm • 21.4 mm = 164.78 mm^2

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Answer 11-12 it’s ok if your don’t no one of them. Please do at least one. Thanks.

Naddika [18.5K]

[11]

Equation: 180° - 75°

Measure: 105°

A straight line has an angle measurement of 180°. Since we have GFB, 75°, we can find EFB this way.

[12]

Equation: 90° - 40°

Measure: 50°

The little box in the angle shows that it is equal to 90°. Since they give us HGB, 40°, we can solve for EFB using this information.

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2 years ago

At the beginning of the bake sale merry set aside two pies for herself Kate bought half of the remaining pies for a birthday par

nirvana33 [79]

So.. .at the beginning of the sale, there was a total of "x" pies

now, let's see what happened to those pies
$\bf \begin{array}{lrlll}
&pies\\\\
&\textendash\textendash\textendash\textendash\textendash\textendash&\\

Mary&x-2\\\\
Kate&\cfrac{x-2}{2}\\\\
\textit{pies sold}&10\\\\
\textit{pies leftover}&14
\end{array}$

so, we had "x"
then Mary took 2, she left x - 2
Kate took half of that (x-2)/2
then 10 were sold, and 14 leftover

if we subtract all those figures, and solve for "x",
we should get what "x" was, so $\bf (x-2)-\left( \cfrac{x-2}{2} \right)-10-14=0$

notice, if we subtract what Mary took, and Kate, and the sold and leftover, from the original "x", we would end up with no pies :)

so.. just solve for "x"

6 0

3 years ago

A 40-foot pipe is cut into three sections. The longest section is three times as long as the shortest, and the middle-sized sect

PtichkaEL [24]

Answer:

P=40

a + b + x = P

a = 3x

b = x + 5

substitute for b & y

3x + (x+5) + x = 40

Step-by-step explanation:

longest section 1 = a

mid length section 2 = b

shortest section 3 = x

P=40

a + b + x = P

a = 3x

b = x + 5

substitute for b & y

3x + (x+5) + x = 40

5x + 5 = 40

5x = 35

x = 7

b = 12

a = 21

5 0

2 years ago

2×1,000+9×100+5×1+1×1100+3×11,000

elixir [45]

Answer: I am not sure if this is correct but I got 2.431619300243096x10^22, 2.6746457133 x 10^13, and the the last one I also get 2.4316193 x 10^10. I AM NOT TO SURE IF I DID THIS CORRECT OR NOT, PLEASE DO NOT REPORT ME IF THIA IS WRONG, I TRIED TO HELP.

Step-by-step explanation: I AM NOT SO GOOD WITH MATH!!

3 0

3 years ago

Which statement is true about the end behavior of the graphed function?

dlinn [17]

Answer:

"As the x-values go to positive infinity, the function's values go to positive infinity."

Step-by-step explanation:

End-Behavior of a fucntion is basically what happens to the function when x goes to positive infinity and when x goes to negative infinity.

In this function, we can say:

as we move to the right (x increases), the value of the function (y-value) increases towards positive infinity.
Also,

as we move to the left (x decreases), the value of the function (y-value) decreases towards negative infinity.

From the answer choices, we take the last one -- "As the x-values go to positive infinity, the function's values go to positive infinity."

* Note, this is a cubic function

6 0

3 years ago

Read 2 more answers