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3 years ago

I don’t get this can someone help pls

Mathematics

2 answers:

lakkis [162]3 years ago

8 0

Ohh ok I can help
So the total you spent on your shirts is 26.24 time 3

So it would look like 3(26.24).

So A and D are wrong

So now looking at the equality signs
< is less than
> greater then

You want to spend less then 100

So the answer is B. Hoped I helped

Butoxors [25]3 years ago

8 0

The answer is B!!!!!! :)

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Burka [1]

Answer:

Tip of the shadow of the girl is moving with a rate of 7.14 feet per sec.

Step-by-step explanation:

Given : In the figure attached, Length of girl EC = 4 ft

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Girl is moving away from the light with a speed = 6 ft per sec.

To Find : Rate ( $\frac{dw}{dt}$ ) of the tip (D) of the girl's shadow (BD) moving away from th

light.

Solution : Let the distance of the girl from the street light is = x feet

Length of the shadow CD is = y feet

Therefore, $\frac{dx}{dt}=6$ feet per sec. [Given]

In the figure attached, ΔAFE and ΔADE are similar.

By the property of similar triangles,

$\frac{x}{21}=\frac{x+y}{25}$

25x = 21(x + y)

25x = 21x + 21y

25x - 21x = 21y

4x = 21y

y = $\frac{4x}{21}$

Now we take the derivative on both the sides,

$\frac{dy}{dt}=\frac{4}{21}\times \frac{dx}{dt}$

= $\frac{4}{21}\times 6$

= $\frac{8}{7}$

≈ 1.14 ft per sec.

Since w = x + y

Therefore, $\frac{dw}{dt}= \frac{dx}{dt}+\frac{dy}{dt}$

$\frac{dw}{dt}=6+1.14$

= 7.14 ft per sec.

Therefore, tip of the shadow of the girl is moving with a rate of 7.14 feet per sec.

3 0

3 years ago

Sandy makes $2 profit on every cup of lemonade that she sells and $1 on every cupcake she sells. Sandy wants to sell at least 5

Assoli18 [71]

Answer:

two possible combinations are

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Step-by-step explanation:

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3 years ago

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Akimi4 [234]

Answer:

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Step-by-step explanation:

The given expression can be represented as:.5⁶

Required

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$5^6 = 5^{3+3}$

Apply the following law of indices

$a^{m+n} = a^m * a^n$

So, we have:

$5^6 = 5^{3} * 5^{3}$

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3 years ago

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stepladder [879]

Answer:

Ur answer will be D. Length: 50 in.; Width: 60 in.

Step-by-step explanation:

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Work:

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3 years ago

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Answer:

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Step-by-step explanation:

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