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Roman55 [17]
3 years ago
10

The area a if a circle is pi times the radius r squared

Mathematics
2 answers:
kirill [66]3 years ago
6 0
The area a if a circle is pi times the radius r squared
This is a true statement
Delicious77 [7]3 years ago
3 0

Totally, completely, and perfectly true.
Not a matter of opinion, and not open
to debate.

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2y-x=3/4(-y+1) solve for y
liubo4ka [24]

Answer:

(4x + 3)/11

Explanation:

2y -x = 3/4(-y + 1)        Multiply both sides by 4

8y – 4x = 3(-y + 1)        Remove parentheses

8y – 4x = -3y + 3         Add 3y to each side

11y -4x = 3                    Add 4x to each side

11y = 4x + 3                  Divide both sides by 11

y = (4x + 3)/11

8 0
3 years ago
Find the length of a picture frame whose width is 3 inches and whose proportions are the same as a 9-inch wide by 12-inch long p
barxatty [35]

Answer:

4 inches

Step-by-step explanation:

We can set up a proportion to find out the length value (assuming x is the length of the frame)

\frac{3}{x} = \frac{9}{12}

We multiply 12 and 3...

12\cdot3=36

And divide by 9...

36\div9=4

So, the length of the frame is 4 inches.

Hope this helped!

7 0
3 years ago
Which polynomial is factored completely? g Superscript 5 Baseline minus g 4 g cubed + 18 g squared + 20 g 24 g squared minus 6 g
Alenkasestr [34]

Answer:

2g^2 + 5g + 4

D on edge

Step-by-step explanation:

3 0
3 years ago
Given: BCDF is a parallelogram; AB = BF<br> Prove: angleA=angleE
Katen [24]

Answer:

Step-by-step explanation:

ABCD is a parallelogram.  AB is produced to P, such that AB = BP and PQ is drawn parallel to BC to meet AC produced at Q. Given AB = 8 cm, AD = 5 cm, AC = 10 cm.

→ BC ║ QP →→Given

In Δ ABC and ΔAPQ

∠ABC=∠APQ→→[BC ║ QP , BP is a transversal, so corresponding angles are equal]

∠BAC=∠PAQ→→Reflex angle

Δ ABC ~ ΔAPQ→→(AA similarity criterion]

When triangles are similar, their corresponding angles are equal.

AC=CQ=10 cm, shows that point C is mid point of AQ.

<u>help me by marking as brainliest....</u>

7 0
2 years ago
Last year the depth of the river was 4.2 feet deep. This year it dropped 25%. Find the depth of the river this year to cross it.
Novosadov [1.4K]

Answer:

The river is 3.15 feet deep.

Step-by-step explanation:

First let's recognize what we need to find: the depth of the river

We know last year the river was 4.2 feet deep, but it dropped 25%. This means we also need to find how much it dropped. To find this, we need to know what 25% of 4.2 is. Write an equation for this.

y = 25% of 4.2

y = 0.25 • 4.2

y = 1.05

This means that the river dropped 1.05 feet. To know its depth now, we need to subtract 1.05 from 4.2. Write an equation for this.

d = 4.2 - 1.05

d = 3.15

The river is 3.15 feet deep.

Hope this helps!

4 0
3 years ago
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