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2 years ago

Whar is the answer to 3-3×6+2=

Mathematics

2 answers:

Mnenie [13.5K]2 years ago

7 0

The answer is this number -13

Aleonysh [2.5K]2 years ago

3 0

Hi Kathy 3 - 3 * 6 + 2 We must start with the multiplication one. 3 - 18 + 2 5 - 18 = 13

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Solve y=x² +7 for x. A. x=y-7 B. x=+√y +7 C. x=y+7 D. x = t√y-7

Juli2301 [7.4K]

Answer:

D. x = t√y-7

Step-by-step explanation:

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4 0

2 years ago

PLEASE HELP I REALLY NEED HELP ON THIS

jeka94

Answer:

One piece of fabric: 10 x 6, or 60.

If one triangle is 15, she can cut 4 triangles from each piece of fabric.

If she has 24 pieces of fabric, she can cut 4 x 24, or 96 triangle patches.

Let me know if this helps!

4 0

2 years ago

Find the mean of the following data set 73, 81, 51, 76, 89, 95, 88

kifflom [539]

Answer:

$mean = \frac{(73 + 81 + 51 + 76 + 89 + 95 + 88)}{7} \\ = 79$

6 0

2 years ago

Read 2 more answers

Which of the following is equal to (2x/3 - 7) + 7

diamong [38]

The correct answer is D. The number 7 is subtracted from the first term, 2x/3, but then an equal sum is added, and the two effectively cancel each other out. This means that the value of the first expression is essentially 2x/3, which is option D.

6 0

2 years ago

Read 2 more answers

A cone has a radius of 5 ft and a height of 15 ft. It is empty and is being filled with water at a constant rate of 15 15 ft 3 f

kvasek [131]

Answer:

$\frac{dr}{dt}=0.11062ft/sec$

Step-by-step explanation:

From the question we are told that:

Radius $r=5ft$

Height $H=15ft$

Rate $R=15ft/3sec =5ft/s$

Surface Radius $R_{surf}=2.2ft$

Generally the equation for Volume is mathematically given by

$V=\frac{1}{3}\pi*r^2h$

Since radius to height ratio gives

$\frac{r}{h}=\frac{5}{15}$

$\frac{r}{h}=\frac{1}{3}$

$h=3r$

Therefore

$V=\frac{1}{3}\pi*r^2(3r)$

$V=\pi r^3$

Generally the equation for Change of Volume is mathematically given by

$\frac{dv}{dt}=\pi \frac{d}{dt}(r^3)$

$\frac{dv}{dt}=\pi 3*r^2 \frac{dr}{dt}$

$\frac{dv}{dt}=\pi 3*(2.2)^2 \frac{dr}{dt}$

$\frac{dr}{dt}=\frac{5}{45.62}$

$\frac{dr}{dt}=0.11062ft/sec$

3 0

3 years ago