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Vadim26 [7]
2 years ago
8

Find the sum of (x+5) + (-4x-2) + (2x-1) =

Mathematics
1 answer:
umka2103 [35]2 years ago
5 0
It would be -x+2 because you can do it two ways. You could have either done it my way.

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Express 763636363636 as a rational number
shtirl [24]
x=0.7636363\ldots
10x=7.636363\ldots
1000x=763.636363\ldots

\implies1000x-10x=990x=756\implies x=\dfrac{756}{990}=\dfrac{42}{55}
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2 years ago
If h= 11 units and r=4 units then what is the approximate volume of the cone
muminat

Answer:

V≈184.31

Step-by-step explanation:

V=πr2h

3=π·42·11

3≈184.30677

8 0
2 years ago
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Three lines of crops in a garden form a triangular shape. Strawberries are planted in a 10 ft line and green beans are planted i
Marat540 [252]

Answer:

p = 19.18

Step-by-step explanation:

This question is illustrated using the attachment and will be solved using cosine formula

a^2 = b^2 + c^2 - 2bcCosA

<em>Let the strawberry side be s, the Green beans be b and the pumpkins be p.</em>

<em />

The cosine formula in this case is:

g^2 = s^2 + p^2 - 2spCosG

Where

s = 10

g = 18

The equation becomes

18^2 = 10^2 + p^2 - 2 * 10 * p * Cos\ 68

324 = 100 + p^2 - 20 * p * 0.375

324 = 100 + p^2 - 7.5p

Collect Like Terms

p^2 - 7.5p + 100 - 324 = 0

p^2 - 7.5p - 224 = 0

Using quadratic formula:

p = \frac{-b\±\sqrt{b^2-4ac}}{2a}

Where

a = 1

b = -7.5

c = -224

p = \frac{-(-7.5)\±\sqrt{(-7.5)^2-4*1*-224}}{2*1}

p = \frac{7.5\±\sqrt{56.25+896}}{2}

p = \frac{7.5\±\sqrt{952.25}}{2}

p = \frac{7.5\± 30.86}{2}

p = \frac{7.5 + 30.86}{2} or p = \frac{7.5 - 30.86}{2}

p = \frac{38.36}{2} or p = \frac{-23.36}{2}

p = 19.18 or p = -11.68

But length can not be negative.

So:

p = 19.18

6 0
2 years ago
Which value is a solution of the equation 5-4x=-3?<br> A. 0<br> B. 2<br> C. -3<br> D. 1/4
Rashid [163]
B. 2 I hope that this helps.
5 0
3 years ago
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Midge baked 6 cookies and 4 brownies. Midge only has enough ingredients to bake at most 25 cookies or brownies total. Let x repr
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Given:
baked: 6 <span>cookies and 4 brownies
can bake 25 more either </span><span>cookies or brownies

</span><span>Let x represent the number of more cookies that Midge can bake
Let y represent the number of more brownies that Midge can bake.

cookies = 6 + x
brownies = 4 + y

(6 + x) + (4 +y) </span>≤ 25
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y </span>≤ <span>15 - x


</span><span>The following graphs best represents the relationship between x and y is:
</span>
<span>line joining ordered pair 0, 15 and 7, 8 and the region below this line which lies in the first quadrant is shaded</span><span>

</span>

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3 years ago
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