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Mazyrski [523]
3 years ago
13

I’m desperate and need help on these I have to find the equation answer and label each question

Mathematics
1 answer:
Ksju [112]3 years ago
7 0
1. 15
2. 216
3. 69 miles per hour
4. 8 packages
5. 148 pages
6. 12 tangerines each classroom
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4(3-2x)=15 please helppp
mestny [16]

Answer:

x = -3/8

Step-by-step explanation:

4(3-2x)=15

Distribute

12 -8x = 15

Subtract 12 from each side

12-8x-12 = 15-12

-8x =3

Divide each side by -8

-8x/-8 = 3/-8

x = -3/8

7 0
3 years ago
Read 2 more answers
Hello what is the answer this is super urgent thank you PLEASE help
earnstyle [38]
61.26 in^2

Explanation: plug in the formula to get SA=2π1.5^2+2π(1.5)(5)
3 0
2 years ago
Which point on the number line best represents√57?
Cerrena [4.2K]

Answer:

8.

Step-by-step explanation:

\sqrt{57} =\sqrt{3 * 19}

Since this cannot be further simplified, we will calculate the square root of 57 with our calculators.

We find that the square root of 57 is 7.549834435, and since the tenths place is a 5, we will round up to the next whole number. So, the point on the number line that best represents the square root of 57 is 8.

Hope this helps!

7 0
3 years ago
Which function has a domain of all real numbers except x=π/2 ±nπ?
boyakko [2]
<span>A. y=secx This problem deals with the various trig functions and is looking for those points where they are undefined. Since the only math operations involved is division, that will happen with the associated trig function attempts to divide by zero. So let's look at the functions that are a composite of sin and cos. sin and cos are defined for all real numbers and range in value from -1 to 1. sin is zero for all integral multiples of pi, and cos is zero for all integral multiples of pi plus pi over 2. So the functions that are undefined will be those that divide by cos. tan = sin/cos, which will be undefined for x = π/2 ±nπ cot = cos/sin, which will be undefined for x = ±nπ sec = 1/cos, which will be undefined for x = π/2 ±nπ csc = 1/sin, which will be undefined for x = ±nπ Now let's look at the options and pick the correct one. A. y=secx * There's a division by cos, so this is the correct choice. B. y=cosx * cos is defined over the entire domain, so this is a bad choice. C. y=1/sinx * The division is by sin, not cos. So this is a bad choice. D. y=cotx, * The division is by sin, not cos. So this is a bad choice.</span>
4 0
3 years ago
The diameter of a circle is 4 units.<br> What is the radius of the circle?<br> units
shtirl [24]

Answer:

2 units

Step-by-step explanation:

the radius is always half the diameter

d = 2r

6 0
3 years ago
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