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Tanya [424]
4 years ago
11

H e l p m e ! Please, man, mth is unforgivably hard and I can't fail!

Mathematics
2 answers:
Scorpion4ik [409]4 years ago
6 0

Answer:

Step-by-step explanation:

Let's solve for x.

−3x+2y=−10

Step 1: Add -2y to both sides.

−3x+2y+−2y=−10+−2y

−3x=−2y−10

Step 2: Divide both sides by -3.

−3x /−3 = −2y−10 −3

x= 2 /3 y+ 10 /3

Answer:

x= 2 /3 y+ 10 /3

stepladder [879]4 years ago
3 0
-3x+2y=-10 = 3x-2y-10=0

x+2y=-2 = x+2y+2=0

I Hope this helps!
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9. A rectangle has a width that is 2 feet longer than four times the length. What is the length of the rectangle
Bad White [126]

Answer:

6 feet

Step-by-step explanation:

Perimeter = 2L + 2W

Since you know the perimeter is 64 feet, you would plug that into the perimeter side.

64 = 2L + 2W

You also know the width is 2 feet longer than 4 times the length.

64 = 2L + 2(2 + 4L)  ----> Multiply 2 * 2 and 2 * 4l

64 = 2L + 4 + 8L  ----> Subtract 4 from each side

-4           -4

60 = 2L + 8l ----> add these two

60 = 10L

/10   /10 -----> divide by 10 on each side

6 = L

Now that we know the length, find the width.

64 = 2(6) + 2(2 + 4(6)) -----> multiply 2 * 6 and 4 * 6

64 = 12 + 2(2 + 24) -------> add 24 and 2

64 = 12 + 2(26) -------> multiply 2 and 26

Before you go any further, you now know that the width is 26 feet. Continue solving.

64 = 12 + 52

64 = 64

Everything checks out.

The length is 6 feet and the width is 26 feet.

3 0
3 years ago
A motorcycle costs 12000. The value of the motorcycle deceases 6% each year. What is the rate each month
quester [9]
There are 12 months in a year and each year it decreases 6% so therefore each month it decreases .5%.

If you were asking the the amount it depreciates each month then you take .5% or .005 of 12000 which is 60 dollars a month.
7 0
3 years ago
Read 2 more answers
Pls serious help asap asap pls !
Hunter-Best [27]

Answer: option B is correct

Step-by-step explanation:

The formula for determining the area of cross section of a trapezoid is expressed as

Area = 1/2(a + b)h

Where

a and b are the length of The bases are the 2 sides of the trapezoid which are parallel with one another.

h represents the height of the trapezoid.

From the information given,

a = h1 = 11 inches

b = h2 = 15 inches

If It has an area of 52 inches² , then

52 = 1/2(11 + 15)h

Cross multiplying by 2, it becomes

52 × 2 = (11 + 15)h

104 = 26h

h = 104/26 = 4 inches

5 0
4 years ago
The body of a soda can (in between the lid and the bottom) is a cylinder. If the body is about 4.5 inches tall with a diameter o
Ad libitum [116K]

Answer: V=7.605π

Step-by-step explanation:

The cylinder formula is V=πr^2h

Substitute the values.

V=π(1.3)^2(4.5)

V=π(1.69)(4.5)

V=7.605π

Hope this helps!

7 0
3 years ago
IGHT im pretty stupid right now but can you help me out?
matrenka [14]

Answer:

complementary

Step-by-step explanation:

i went to school.

8 0
3 years ago
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