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Varvara68 [4.7K]
3 years ago
12

What’s This Answer? I’m Confused

Mathematics
1 answer:
e-lub [12.9K]3 years ago
7 0

Answer:

a = 10

b = 23

Step-by-step explanation:

if this is a parallelogram

a + 5 = 15

a = 10

3b + 111 = 180

3b = 69

b = 23

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126, I'm pretty sure.
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Write the equation of a line whose graph has the same slope as
Sveta_85 [38]

Answer:

y= 1/3x -3

Step-by-step explanation:

For the y-int for 8x-2y=6 is (0, -3).

For the slope of 3x-9y=9 is 1/3.

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In the last two years, Mari grew 2 1/4 inches, Kim grew 2.4 inches, and Kate grew 2 1/8 inches. Write the amounts they grew in o
Gennadij [26K]
First, let's turn the fractions into decimal form so you can see the answer, more clearly. 
2 \frac{1}{4} = 2.25
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6 0
3 years ago
Read 2 more answers
It takes flora 3 hours to knit a pair of socks and 7 hours to knit a pair of gloves. If she spent 65 hours knitting a total of 1
IRINA_888 [86]

Answer:

Flora can make 10 pairs of socks and 5 pairs of gloves.

Step-by-step explanation:

Here we have to form two equations from the given information.

Let "x" be the number of pair of socks and "y" be the number of pair of gloves.

Given:

It takes flora 3 hours to knit a pair of socks and 7 hours to knit a pair of gloves. If she spent 65 hours knitting a total of 15 pairs of socks and gloves,

x + y = 15

3x + 7y = 65

Now we have to solve these two equations to find the solution.

Let's use the substitution method.

From the first equation can be written as

x = 15 - y

Now plug in x = 15 - y in the second equation and find the value of y.

3(15 - y) + 7y = 65 (This is called substitution method)

45 - 3y + 7y = 65

Simplify the like terms

45 + 4y = 65

Subtract 45 from both sides, we get

4y = 65 - 45

4y = 20

Dividing both sides by 4, we get

y = 20/4

y = 5

Now plug in y = 5 in the x = 15 - y

x = 15 - 5

x = 10

Therefore, Flora can make 10 pairs of socks and 5 pairs of gloves.

5 0
4 years ago
What percent of 140 is 50.4?
chubhunter [2.5K]

Answer:

36

Step-by-step explanation:

X/100% x 140 = 50.4

X x 140 = 50.4 x 100

X x 140 = 5040

X = 5040/140

X = 36

5 0
3 years ago
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