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Amanda [17]
3 years ago
9

Which value for x makes the sentence true?

Mathematics
1 answer:
Sedbober [7]3 years ago
6 0

Answer:

x=5.6

Step-by-step explanation:

Divide both sides by 1.581.58.

x= 8.848/1.58

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The function graphed above is:
dem82 [27]

Step-by-step explanation:

When the slope of the function is positive, it is increasing

when the slope of the function is negative, it is decreasing

just like with the line function  y = mx + b

so if you put a line tangent to the function at every point the slope of the line will indicate a increasing or decreasing point of the function

also beware where the slope is zero  it is not increasing or decreasing

there are two intervals of increasing, one interval of decreasing and two point of zero slope or neither increasing or decreasing

increasing interval  1)  x < -2     2) x > 1.5

decreasing interval   1)     -2 <  x < 1.5

at -2 and 1.5 the slope is zero

5 0
2 years ago
What is -3x+12y=24 in standard form
nalin [4]
So standard form is Ax+By=C
Since the problem is already in that form you don’t need to switch it around however A has to be more than 0 (so positive). Divide the equation by -3 to get the answer x-4y=-8

8 0
2 years ago
How can i read, write, and represent decimal numbers
snow_tiger [21]

Answer:

When reading decimal numbers, read the whole number part as normal, use "and" to represent the decimal point and continue reading the number as normal, but end with the last place value.

For example: how do you read 36.57 --> thirty-six and fifty-sevens hundredths

When writing decimals it is like reading them. You write the whole part as normal, and write a decimal to represent where you would say "and". Continue writing the number.

For example: Write eighty-five and sixty-four hundredths --> 85.64

Step-by-step explanation:

7 0
3 years ago
Clays hair is 10 2/7 inches long. The barber trims off 1/4. About how long is his hair now ?
zubka84 [21]

Answer:

7 5/7 inches long

Step-by-step explanation:

To find the length of his hair now you need to find 3/4 of 10 2/7.

3/4* 72/7

216/26

54/7

7 5/7 inches long

4 0
3 years ago
A right triangular prism is shown. Find (A) the total surface area and (B) the volume. You must show formulas and your work.
enyata [817]
Hello!

We are going to use the rectangular prism of the image as a guide:

First of all, the AC segment is calculated using the Pythagoras' theorem:

AC= \sqrt{ AB^{2}+ BC^{2} } =\sqrt{ 10^{2}+ 8^{2} }=12,81 m

(A) The surface area of a prism is the sum of the surface areas of each face. 

For the 2 triangles  ABC and DEF

A=2*(1/2*b*h)=2*(1/2*8m*10m)=80m

For the ABEF Rectangle

A=w*l=10,77m*10m=107,7m^{2}

For the ACDE Rectangle

A=w*l=10,77m*12,81m=137,96 m^{2}

For the BCDF Rectangle 

A=w*l=10,77m*8m=86,16 m^{2}

To finish you need to sum up the areas of each face:

SA=2A_{ABC}+ A_{ABEF}+A_{ACDE}+A_{BCDF}= \\ 80 m^{2} +107,7m^{2} +137,96m^{2} +86,16m^{2} =411,82m^{2}

(B) The volume of a prism is the product of the area of its base and the height of the prism. In this case, the base is a triangle so the formula and the calculations for the volume are as follows

V= \frac{1}{2} *w*h*l= \frac{1}{2}* 8m*10m*10,77m=430,8m^{3}

7 0
3 years ago
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