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amid [387]
3 years ago
8

What is the answer for -|-5x(-7)|​

Mathematics
2 answers:
Airida [17]3 years ago
7 0

Answer will be -35

Since in an absolute equation, the inside will all be positive. So get rid of the negatives. 5x7. Then, outside of the absolute sign, there is a negative sign. Since that is outside, you cannot turn it into positive. Now, the answer is -35.

Dennis_Churaev [7]3 years ago
7 0

\huge\boxed{-35}

When you multiply a negative number by another negative number, you get a positive number. So: -|-5(-7)|\ =\ -|5(7)|

Multiply. -|35|

Absolute value just finds a numbers distance from zero, or makes the number positive. 35 is already positive, so just leave it. \boxed{-35}

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The lateral area of a cone is 400 pi cm^2. The radius is 10 cm. Find the slant height to the nearest tenth.
natka813 [3]

ANSWER

The slant height is 40cm.

EXPLANATION

The lateral area of a cone is given by:

Area= \pi \: r \: l

where r=10cm is the radius of the circle and l is the slant height.

It was also given that, the lateral area is 400π cm²

We substitute the values to get,

400\pi = \pi  \times \: 10 \times  \: l

We now divide both sides by 10π.

This implies that,

\frac{400 \pi}{10\pi}  = l

40 = l

Hence the slant height is 40cm.

8 0
4 years ago
Determine whether the graph below is a function.<br> Answer True if it is and False if it is not.
kramer

Answer:

<em>Answer: False</em>

Step-by-step explanation:

<em>Relations vs Functions</em>

For a given relation between two variables x and y to be a function, it must meet the following condition: every value of x must be related to one and only one value of y.

When the graph of a relation is given, we can easily tell the difference by using the vertical line test as follows:

Imagine a vertical line moving through the x-axis. If any line touches the graph of the relation at more than one point, then the relation is not a function.

If we place vertical lines through the x-axis, they would touch the function twice at some values of x.

Thus, the graph is not a function

Answer: False

5 0
3 years ago
Carla drew a picture that was 7/10 of an inch long. Her picture was 0.67 inches wide. Which is greater, the length or width? exp
mr Goodwill [35]

Answer:

width

Step-by-step explanation:

7/10= 7 divided by 10= 0.7

and 0.67 id greater than 0.7

5 0
2 years ago
A company is constructing an open-top, square-based, rectangular metal tank that will have a volume of 64 ft3. what dimensions y
Doss [256]

To solve this problem you must apply the proccedure shown below:

1. You must use the formula for calculate the surface area and the volume of the tank:

1) SA=x^{2} +4xy\\ 2) V=x^{2} y\\ 64=x^{2} y

2. Solve for y in the second equation and substitute it into the first one.Then, you have:

y=\frac{64}{x^{2}}  \\ SA=x^{2} +4x(\frac{64}{x^{2}})

3. Now, derivate:

SA'=2x-256x^{-2} \\ 2x-256x^{-2}=0

4. When you solve for x, you obtain:

2x^{3}-256=0\\ x=\sqrt[3]{\frac{256}{2}}  \\ x=5.03

5. Now, you must calculate y:

y=\frac{64}{(5.03)^{2}} \\ y=2.52

Therefore, the dimensions are:

The sides of the base of the tank: 5.03 feet

The height of the tank: 2.52 feet

8 0
3 years ago
CORRECT ANSWER GETS BRAINIEST! THIS IS URGENT!!
dexar [7]

Answer: x=11.075

Step-by-step explanation:

6 0
3 years ago
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