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3 years ago

What is the distance between points A and B?

Mathematics

2 answers:

Sever21 [200]3 years ago

8 0

Point A and B of what? Plz show a number line or graph or table or something.

svetoff [14.1K]3 years ago

8 0

We need an image to be able to know where point A and B are located. I may need more information. If you are able to give me the information i would be glad to help. Thank You.

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2x + 5y = 10 5y x + 2. + = 4

elena-s [515]

Could you attach photo of a problem. It appears 2+..... =4 is missing

4 0

2 years ago

Subtract 1.05 from a certain number. Multiply the difference by 0.8, add 2.84 to the product then divide the sum by 0.01 and get

artcher [175]

The number is 6.25.

We will set up an equation for this. Let x be the unknown number. Subtracting 1.05 from it gives us

(x-1.05)

Multiplying the difference by 0.8 would give us

0.8(x-1.05)

Adding 2.84 to the product would give us

0.8(x-1.05)+2.84

Dividing the sum by 0.01 would give us

[0.8(x-1.05)+2.84]/0.01 = 700

We will start working backward, cancelling the division by 0.01 first by multiplying:

([0.8(x-1.05)+2.84]/0.01)*0.01 = 700*0.01

0.8(x-1.05)+2.84 =7

Subtract 2.84 from both sides:
0.8(x-1.05)+2.84-2.84 = 7-2.84
0.8(x-1.05) = 4.16

Use the distributive property on the left side:
0.8*x - 0.8*1.05 = 4.16
0.8x - 0.84 = 4.16

Add 0.84 to both sides:
0.8x - 0.84+0.84 = 4.16+0.84
0.8x = 5

Divide both sides by 0.8:
0.8x/0.8 = 5/0.8
x = 6.25

5 0

2 years ago

Read 2 more answers

Please help with the answer below

kenny6666 [7]

Answer:

$f(x) = \frac{x + 7}{6 - x} \\ \frac{3}{2} = \frac{x + 7}{6 - x} \\ 3(6 - x) = 2(x + 7) \\ 18 - 3x = 2x + 14 \\ - 3x - 2x = 14 - 18 \\ - 5x = - 4 \\ \frac{ - 5x}{ - 5} = \frac{ - 4}{ - 5} \\ x = \frac{4}{5}$

3 0

2 years ago

Eight is thirteen more than three times a number. Write as an algebraic expression

svp [43]

Answer: 3x + 13 = 8

Step-by-step explanation: If u multiply the number by 3 and add 13, the answer would be 8

7 0

3 years ago

The vertices of shape K are at (4,7), (7, 7), (7,4) and (5, 5).

son4ous [18]

Answer:

To find the scale factor of the enlargement, compare the distance between a pair of corresponding points from both shapes.

Shape K

A = (4, 7)

B = (7, 7)

C = (7, 4)

D = (5, 5)

Horizontal distance between A (4, 7) and B (7, 7) = 3 units

Shape L

A' = (0, 11)

B' = (9, 11)

C' = (9, 2)

D' = (3, 5)

Horizontal distance between A' (0, 11) and B' (9, 11) = 9 units

9 ÷ 3 = 3

Therefore, Shape L is an enlargement of Shape K by scale factor 3.

To find the center of dilation (enlargement), draw two lines through 2 corresponding points (e.g. A and A', B and B') - the point of intersection of these lines is the center of dilation.

Therefore, the center of enlargement is (6, 5) (refer to the second attached image).

6 0

1 year ago