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BARSIC [14]
4 years ago
15

Three less than one-half a number is -71

Mathematics
2 answers:
morpeh [17]4 years ago
4 0

3-1/2x=-71

when you solve it, the answer is 37

Whitepunk [10]4 years ago
4 0

Since it is three less than one-half, first add 3 to -71.

-71+3=-68

Since it is one-halt this number, multiply it by 2

-68x2=-136

Hope this helps

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The triangle inequality
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3 0
3 years ago
A gift shop sells 140 wind chimes per month at $90 each. The owners estimate that for each $5 increase in price, they will sell
guapka [62]

Answer: $95

Step-by-step explanation:

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\begin{aligned}&\text {Revenue, } \mathrm{R}(\mathrm{x})=(90+5 \mathrm{x})(140-7 \mathrm{x}) \\&R^{\prime}(x)=5(140-7 x)-7(90+5 x) \\&R^{\prime}(x)=700-35 x-630-35 x \\&R^{\prime}(x)=70-70 x=0 \\&70 x=70 \\&x=1\end{aligned}

Therefore, if the price becomes (90 + 5(1)) = $95 per wind chime, then the revenue will be maximum

6 0
3 years ago
8(15-4)/4^2-5 <br>2<br> 6 <br>8<br> which one is correct
inysia [295]

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3 0
3 years ago
Read 2 more answers
The base of a 15-foot ladder is 6 feet from a building. If the ladder reaches the flat roof, how tall is the building?
Vlad [161]

Answer:

the answer would be 13.75 feet

Step-by-step explanation:

The computation of the tall is the building as follows:

Given that

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Here we use the Pythagoras theorem

= √15^2 - √6^2

= √225 - √36

= √189

= 13.75 feet

Hence the answer would be 13.75 feet

6 0
3 years ago
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