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GalinKa [24]
3 years ago
12

Tyler baked 702 cookies. He sold them in boxes of 1i. After selling all the boxes of cookies for the same amount each he earned

$136.50 . What was the cost of one box of cookies
Mathematics
1 answer:
ikadub [295]3 years ago
6 0

Answer:

$3.5

Step-by-step explanation:

We have been given that Tyler baked 702 cookies. He sold them in boxes of 18.

First of all we will find the number of boxes of cookies by dividing 702 by 18.

\text{Number of boxes of cookies}=\frac{702}{18}

\text{Number of boxes of cookies}=39

We are told that after selling all the boxes of cookies for the same amount each he earned $136.50. To find the cost of each box we will divide 136.50 by 39.

\text{The cost of one box}=\frac{136.50}{39}

\text{The cost of one box}=3.5

Therefore, the cost of one box of cookies is $3.5.

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Well, to calculate that, you have to multiply the number of bats by the "number" version of 31.5 %, which once you multiply them together, it comes out to be about 149 (148.995)
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Answer:

x=21

y=16

z=28

Step-by-step explanation:

Let

The first side=x

The second side =y

The third side=z

The rest is in the attached file

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3 years ago
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Evaluate the following integral using trigonometric substitution.
wariber [46]

Answer:

Step-by-step explanation:

1. Given the integral function \int\limits {\sqrt{a^{2} -x^{2} } } \, dx, using trigonometric substitution, the substitution that will be most helpful in this case is substituting x as asin \theta i.e x = a sin\theta.

All integrals in the form \int\limits {\sqrt{a^{2} -x^{2} } } \, dx are always evaluated using the substitute given where 'a' is any constant.

From the given integral, \int\limits {7\sqrt{49-x^{2} } } \, dx = \int\limits {7\sqrt{7^{2} -x^{2} } } \, dx where a = 7 in this case.

The substitute will therefore be   x = 7 sin\theta

2.) Given x = 7 sin\theta

\frac{dx}{d \theta} = 7cos \theta

cross multiplying

dx = 7cos\theta d\theta

3.) Rewriting the given integral using the substiution will result into;

\int\limits {7\sqrt{49-x^{2} } } \, dx \\= \int\limits {7\sqrt{7^{2} -x^{2} } } \, dx\\= \int\limits {7\sqrt{7^{2} -(7sin\theta)^{2} } } \, dx\\= \int\limits {7\sqrt{7^{2} -49sin^{2}\theta  } } \, dx\\= \int\limits {7\sqrt{49(1-sin^{2}\theta)}   } } \, dx\\= \int\limits {7\sqrt{49(cos^{2}\theta)}   } } \, dx\\since\ dx = 7cos\theta d\theta\\= \int\limits {7\sqrt{49(cos^{2}\theta)}   } } \, 7cos\theta d\theta\\= \int\limits {7\{7(cos\theta)}   }}} \, 7cos\theta d\theta\\

= \int\limits343 cos^{2}  \theta \, d\theta

8 0
4 years ago
If P (A)=0.84, P(B)=0.76 AND P(A OR B) =0.9, THEN P (A and B)=0.7
STatiana [176]
Sorry i tried to figure it out but i could not seem to get the answer. :(
4 0
3 years ago
(25 POINTS AND BRAINLIEST FOR BEST)
gizmo_the_mogwai [7]

Answer:

A. $100 rebate coupon.

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$100 dollars off of $479.99 would be $379.99, compared to the 20% off which would be $384.99

Calculating percentages isn't too hard:

Multiply the percent by the original cost.

20 x 479.99 which is 95.99

479.99 - 95.99 = 384

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