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RUDIKE [14]
2 years ago
6

I need help with number 4 please!! How do u do it??

Mathematics
1 answer:
skad [1K]2 years ago
6 0
Volume of triangular pyramid = 1/3 b²h

Use the formula to find your answer.
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What is the shaded area?
spin [16.1K]

Answer:

The total area (including the area of the circle) would be 16 × 16 = 256 square centimetres.

The area of the circle would be (taking the value of pi as 3.14) is 200.96 square centimetres

The area of the shaded region would be 256 - 200. 96 = 55.04 square centimetres

3 0
3 years ago
What value of x makes x/3= 1.2/4 a proportion?
nika2105 [10]

Answer:

0.9

Step-by-step explanation:

6 0
2 years ago
Find the value of x. (Picture attached.)
Svet_ta [14]

Here, triangle AEN and ALG are similar.


We know that the ratio of corresponding sides of two similar triangles are equal. So,

\frac{21}{42} =\frac{2x-9}{(2x-9)+(x+7)}\\\\\frac{1}{2} =\frac{2x-9}{3x-2}\\\\ 3x-2=4x-18\\\\-2+18=4x-3x\\\\16=x\\\\x=16\\

5 0
2 years ago
Grapes cost $2.70 per pound. You buy 2.5 pounds of grapes and give the cashier $10. How much change do you receive​
allochka39001 [22]

Answer:

$3.25

Step-by-step explanation:

The grapes costs $2.70 per pound but you're buying 2.5 pounds so take $2.70 x 2.5 = $6.75. Now u just take $10 - $6.75 which equals $3.25 and thats ur answer.

8 0
2 years ago
Read 2 more answers
Will give brainlist!
Ainat [17]
A segment bisector is a geometric figure that divides the line segment exactly in half.

Vertical angles theorem states that vertical angles, angles that are opposite to each other and formed by two intersecting straight lines, are congruent.
4 0
3 years ago
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