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Oksi-84 [34.3K]

3 years ago

11

Curtains are manufactured in 3 different styles and 5 different colors. How many different combinations are possible?

1 answer:

Len [333]3 years ago

7 0

The answer is 8 different combinations because you would take 3 times 5

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What does y equal in this algebraic equation? (grade 7) 24y+(42-6)=8

IgorC [24]

Answer:

y equals -1.16 (repeating decimal)

Step-by-step explanation:

I got the answer by first solving what is in the parentheses. 42-6=36. After this, I subtracted 36 on both sides to get the variable (y) by itself. After I did this, I had 24y = -28. So, I divided both sides by 24 (24y). The y was left by itself and -28/24=1.16 (repeating decimal).

<em><u>Therefore, y=1.16,1.17 when rounded, or -7/6 as a fraction</u></em>

6 0

3 years ago

Kelly drove north for 9 miles and then east for 12 miles at an average rate of 42 miles per hour to arrive at the town of Prime.

mr_godi [17]

Answer:

Step-by-step explanation:

This is one of the more interesting motion problems I've seen. I like it! If Kelly is driving north (straight up) for 9 miles, then turns east (right) and drives for 12 miles, what we have there are 2 sides of a right triangle. The hypotenuse is created by Brenda's trip, which originated from the same starting point as Kelly and went straight to the destination, no turns. We need the distance formula to solve this problem, so that means we need to find the distance that Brenda drove. Using Pythagorean's Theorem:

$9^2+12^2=c^2$ and

$81+144=c^2$ and

$225=c^2$ so

c = 15.

Brenda drove 15 miles. Now we can fill in a table with the info:

d = r x t

Kelly 12+9 42 t

Brenda 15 45 t

Because they both left at the same time, t represents that same time, whatever that time is. That's our unknown.

If d = rt, then for Kelly:

21 = 42t

For Brenda

15 = 45t

Solve Kelly's equation for t to get

t = 1/2 hr or 30 minutes

Solve Brenda's equations for t to get

t = 1/3 hr or 20 minutes

That means that Brenda arrived at the destination 10 minutes sooner than Kelly.

4 0

4 years ago

Here goes problem 2 of three dimensional figures

Anna11 [10]

Well,

We would see the rectangular prism cut in half, which, if we looked from the top, would look like a rectangle. That is figure Z.

7 0

3 years ago

Irrational number between 2 and 3

ziro4ka [17]

Answer:

2.084...

Step-by-step explanation:

Just write an non repeating string of any numbers that you think of but not in a pattern which will lie between decimal value of your 2 numbers

6 0

3 years ago

Legit about to be done with pathway please help, OFFERING 20 points k? please tho

puteri [66]

Answer:

The answer in the attached figure

Step-by-step explanation:

step 1

Find the area of one blue square

$A=6^{2}=36\ ft^{2}$

step 2

Find the area of one orange triangle

$A=(1/2)8^{2}=32\ ft^{2}$

Part 1) $256\ ft^{2}$

Divide the total area by the area of one orange triangle

$256/32=8\ triangles$

Part 2) $180\ ft^{2}$

Divide the total area by the area of one blue square

$180/36=5\squares$

Part 3) $168\ ft^{2}$

Let

x----> the number of blue squares

y ------> the number of orange triangles

we know that

$36x+32y=168$

Construct a table and prove different values for x and for y

we have

x=2, y=3

Two blue squares and three orange triangles

Area of blue squares

$A1=2*(36)=72\ ft^{2}$

Area of an orange triangles

$A2=3*(32)=96\ ft^{2}$

so

the area total is

$72+96=168\ ft^{2}$

8 0

4 years ago