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3 years ago

A pattern calls for 2 1 over 4 yards of material and 1 1 over 4 yards of lining. How much total fabric is needed

Mathematics

1 answer:

Arada [10]3 years ago

3 0

2 1/4+1 1/4=3 1/2
or 3.5 (3 and a half yards. )

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A parabola is represented by the equation y = x2 + 6x − 17.

seraphim [82]

X-intercepts: (2.1, 0) and (-8.1, 0)

y-intercept: (0, -17)

8 0

3 years ago

Find 93 • 87 using mental math.

bagirrra123 [75]

Okay so start with multiplying 93 * 7

So 3 x 7= 21

9 X 7 +63, carry the 2 = 651

Then 8 x 93
Remember that first is a zero.
8 X 3= 24
8 X 9= 72, carry the 2= 74
So that is 7440
Now
0651
+7440
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And that's the answer

7 0

3 years ago

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Can sumone plzhelp..Apply the distributive property to factor out the greatest common factor of all three terms .

Nat2105 [25]

Answer:

3(3a - 6b + 7c )

Step-by-step explanation:

The greatest common factor of 9, 18 and 21 is 3

Factor out 3 from each term

9a - 18b + 21c

= 3(3a - 6b + 7c) ← in factored form

6 0

3 years ago

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Does anybody know what the answer to this question is?

crimeas [40]

Answer:

equation 15+8=

solution= 23

Step-by-step explanation:

its ez

7 0

3 years ago

A rectangular lawn is 2 m longer than it is wide.

PtichkaEL [24]

Let's breadth be x

Length be x+2

ATQ

$\\ \sf\longmapsto x(x+2)=21$

$\\ \sf\longmapsto x^2+2x=21$

Use completing the square method

$\\ \sf\longmapsto 4(x^2+2x)=4(21)$

$\\ \sf\longmapsto 4x^2+8x=84$

$\\ \sf\longmapsto (2x)^2+2(2x)(2)=84$

$\\ \sf\longmapsto (2x)^2+2(2x)(2)+2^2=2^2+84$

$\\ \sf\longmapsto (2x+2)^2=88$

$\\ \sf\longmapsto 2x+2=\pm\sqrt{88}$

As it's dimensions we will take positive

$\\ \sf\longmapsto 2x+2\approx 9.7$

$\\ \sf\longmapsto 2x=9.7-2=7.7$

$\\ \sf\longmapsto x=3.8$

x+2=3.8+2=5.8

Now

$\\ \sf\longmapsto Perimeter=2(L+B)$

$\\ \sf\longmapsto perimeter=2(3.8+5.8)$

$\\ \sf\longmapsto perimeter=2(9.6)$

$\\ \sf\longmapsto Perimeter=19.2m$

Length of 1 strip=13m

Total strips

$\\ \sf\longmapsto \dfrac{19.2}{13}$

$\\ \sf\longmapsto 1.47strips$

She needs 2 strips

3 0

3 years ago

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