All categories

3 years ago

PLEASE HELP::: Louise used this figure to model the expression 20/4.

Mathematics

2 answers:

nata0808 [166]3 years ago

8 0

The answer is C because if it doesn't start at zero, then it wouldn't make 5 groups.

mars1129 [50]3 years ago

4 0

Did you figure out the answer cause i need it

You might be interested in

Lena reflected this figure across the x-axis. She writes the vertices of the image as A'(−2, 8), B'(−5, 6), C'(−8, 8), D'(−4, 2)

garik1379 [7]

Answer:

Option A) she reflected the pre-image across the y-axis

Step-by-step explanation:

we know that

When reflect a point across the the x-axis the rule of the reflection is equal to

(x,y) -----> (x,-y)

When reflect a point across the the y-axis the rule of the reflection is equal to

(x,y) -----> (-x,y)

In this problem we have

A(2,8),B(5,6),C(8,8),D(4,2)

Applying the rule of the reflection across the x-axis

The coordinates of the image would be

A'(2,-8),B'(5,-6),C'(8,-8),D'(4,-2)

Applying the rule of the reflection across the y-axis

The coordinates of the image would be

A'(-2,8),B'(-5,6),C'(-8,8),D'(-4,2)

therefore

she reflected the pre-image across the y-axis.

8 0

3 years ago

Solve the quadratic equation by completing the square.<br> =+x^2+16x +61=0

Vlad1618 [11]

X^2 + 16x + 61 = 0
x^2 + 16x = -61
x^2 + 16x + 64 = -61 + 64
(x + 8)^2 = 3
x + 8 = (+-) sqrt 3
x = -8 (+-) sqrt 3

x = -8 + sqrt 3...and x = -8 - sqrt 3 <== ur solutions

3 0

3 years ago

The value of 4 less than the product of 0.25 and x is greater than 6. What are all the possible values of x? SHOW YOUR WORK!

seraphim [82]

Answer:

0.25x - 4 > 6

Step-by-step explanation:

First, we would like to thank you for all of the additional support you offer at home. ... Subtract the absolute values. Multiply the denominators. 4. Reduce if necessary. 3. 10 x. 2. 3. 6. 30. = 1. 5. 3 ... 1 less than the product of 3 and m 3m – 1.

6 0

3 years ago

Eric spent $60 on 5 shirts that each cost the same price. two of the shirts were blue .how much did the blue shirts cost?

DaniilM [7]

since they cost the same we can work out the price of one by dividing 60 by 5 which is 12

so if each one costs 12 and we need the price of 2 then we just do 12×2 which is 24

the answer is $24

3 0

2 years ago

BC = 4x + 2 AB = 8x + 8 and AC = 22 Find BC

Scilla [17]

Answer:

BC = 6.8

Step-by-step explanation:

The distance from A to B, then from B to C, is the same distance as from A to C.

Thus,

AB + BC = AC

AB = 8x + 8

BC = 4x + 2

AC = 22

AB + BC = AC

(8x + 8) + (4x + 2) = 22

Expanding the parenthesis:

8x + 8 + 4x + 2 = 22

8x + 4x + 8 + 2 = 22

12x + 12 = 22

Subtracting 12 from both sides:

12x = 10

Dividing both sides by 12:

x = 10/12 = 1.2

x = 1.2

We're looking for BC. As we know,

BC = 4x + 2

Let's now put in x = 1.2 into this equation:

BC = 4x + 2

BC = 4 * 1.2 + 2

Since 4 * 1.2 is 4.8:

BC = 4.8 + 2

BC = 6.8

Answer: BC = 6.8

8 0

3 years ago