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Diano4ka-milaya [45]
4 years ago
5

Is 42(x + 14y) equivalent to 42x - 56y

Mathematics
1 answer:
g100num [7]4 years ago
3 0

Answer:

No its not

Step-by-step explanation:

When 42(x + 14y) is simplified:

42(x + 14y)

Expand and remove the brackets. Remember brackets mean to multiply.

42*x

42x

42*14y

588y

42x+588y

Therefore 42x-56 is NOT EQUIVALENT to 42(x + 14y) but is equivalent to 42+588y

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This is 15 points for whoever answers.
zalisa [80]

Answer:

Y = 40

Step-by-step explanation:

First, find the slope-intercept of the table

Slope-intercept form: y = mx + b

m=\frac{y_2-y_1}{x_2-x_1}

(3, 1) and (6,2)

m=\frac{y_2-y_1}{x_2-x_1}\\\\m=\frac{2-1}{6-3}\\\\m=\frac{1}{3}

y=mx+b

y=\frac{1}{3}x+b

Find b using (6,2):

y=\frac{1}{3}x+b\\\\2=\frac{1}{3}(6)+b\\\\2=\frac{6}{3}+b\\\\2=2+b\\\\-2\ -2\\\\0=b

y=\frac{1}{3}x+b== > y=\frac{1}{3}x+0== > y=\frac{1}{3}x

y=\frac{1}{3}x

What will be the value of Y when X = 120?

Substitute 120 for x into y=\frac{1}{3}x

y=\frac{1}{3}x\\\\y=\frac{1}{3}(120)\\\\y=\frac{120}{3}\\\\y=40

(120, 40)

Therefore, when X = 120, Y = 40

Hope this helps!

7 0
2 years ago
Felicia bought 12 packets of tomato seeds. Each packet
vivado [14]

Answer:

Between 150 and 200 seeds will sprout

6 0
3 years ago
Need help!! What’s the second blank?
tatuchka [14]

Answer:

The answer is 350 sqft

Step-by-step explanation:

terrace 48 sqft

back porch is = 6x6 = 36 sqft

side deck = 3x14 = 42 sqft

playroom = 16x14 = 224 sqft


Total area of the tree house: 48+36+42+224 = 350 sqft



7 0
4 years ago
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A car travelled at 16km an hour . How long did it travel in 2 1/2 hours
Zanzabum

I would travel 40hours.  16 times two is 32 plus 8 is 40.

3 0
3 years ago
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How many groups of 9 are there in 45
Verizon [17]

the answer is 5

Step-by-step explanation:

45÷9=5

3 0
3 years ago
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