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DanielleElmas [232]
3 years ago
6

Help me with this BRAINILIEST 5 STAR

Mathematics
2 answers:
Viefleur [7K]3 years ago
8 0

Answer:

Wrong the answer is D

Step-by-step explanation:

i did the same thing

cupoosta [38]3 years ago
5 0

Answer:

See below.

Step-by-step explanation:

The answer is C.

The slopes are different, so they would have to intersect at some point. If they were the same, they either would have no solutions or infinite solutions.

-hope it helps

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Which of the following represents 24 = 3 × 8
Alenkinab [10]

Answer:

8x3=24?

Step-by-step explanation:

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4 0
3 years ago
Help finding derivative
marusya05 [52]
\bf \displaystyle \cfrac{d}{dx}\left[ \int\limits_{\sqrt{x}}^{\frac{\pi }{2}}~[cos(t^2)]dt \right]\implies \cfrac{d}{dx}\left[ -\int\limits_{\frac{\pi }{2}}^{\sqrt{x}}~[cos(t^2)]dt \right]\\\\\\ \cfrac{d}{dx}\left[ -\int\limits_{\frac{\pi }{2}}^{x^{\frac{1}{2}}}~[cos(t^2)]dt \right]\\\\
-------------------------------\\\\
u=x^{\frac{1}{2}}\implies \cfrac{du}{dx}=\cfrac{1}{2\sqrt{x}}\\\\\\ \textit{and now, let's use the \underline{2nd fundamental theorem of calculus}}\\\\
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\bf \displaystyle \cfrac{d}{dx}\left[ -\int\limits_{\frac{\pi }{2}}^{u}~[cos(t^2)]dt \right]\impliedby \cfrac{df}{dx}=\cfrac{df}{du}\cdot \cfrac{du}{dx}
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6 0
3 years ago
Marcos reads 3, books in 1 3/4 weeks.
Fofino [41]

Answer:

x  = \frac{12}{7}\ books

Step-by-step explanation:

Given

3\ books = 1\frac{3}{4}\ weeks

Required

Number of books in 1 week

Represent the number of books in 1 week with x.

So, we have:

3\ books = 1\frac{3}{4}\ weeks

x = 1\ week

Cross Multiply

x * 1\frac{3}{4} = 3 * 1

x * 1\frac{3}{4} = 3

Convert fraction to improper fraction

x * \frac{7}{4} = 3

Multiply through by \frac{4}{7}

x * \frac{7}{4}*\frac{4}{7} = 3 * \frac{4}{7}

x  = 3 * \frac{4}{7}

x  = \frac{12}{7}\ books

<em>Hence: 12/7 books were read in a week</em>

7 0
3 years ago
Which answer is closest to the length of line
Flauer [41]

Answer:

A: 7.6

Step-by-step explanation:

Hopefully this helps!

6 0
3 years ago
Ahmet rents a piano for $35 per month. He earns $25 per hour giving piano lessons to students. He wants to know
Vinvika [58]

Answer:

25h-35=440

440+35=25h

475=25h

475÷25=h

h=19

19 hours

It will take 19 hours of lessons.

3 0
4 years ago
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