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3 years ago

This one too please help

Mathematics

1 answer:

Mama L [17]3 years ago

8 0

Answer:

1/7

Step-by-step explanation:

16+ 7+7+5 = 35

there are 5 bobcats

5/35 simplifies to 1/7

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PLS HELP WILL MARK YOU BRAINLIEST!! No fake answers pls

aleksklad [387]

Answer:

so as a result b, d is an example of linear inequality

Step-by-step explanation:

a. cant be done so not a linear inequality

b. x<2/7

c.x=12/11 but it has "=", so not a linear inequality; it becomes a linear equation

d. x<(2-3y)/4

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3 years ago

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GUYS PLS HELP THIS IS MY LAST QUESTION

erastovalidia [21]

Answer:

Let Q be (x,y). Then AQ = 4QB; or (x - 2) = 4(4 - x) and (y + 1) = 4(2 - y);

x - 2 = 16 - 4x; 5x = 18 [ x = 3.6. y + 1 = 8 - 4y; 5y = 7, y = 1.4, So, Q(3.6, 1.4)

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3 years ago

Find the slope of the line y=4x .

Alex73 [517]

The slope is 4/1 you go up 4 and over 1

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3 years ago

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Find the surface area of the composite solid. Write your answer as a decimal.

IrinaK [193]

Answer:

283.5 cm squared

Step-by-step explanation:

The surface area of a solid is basically just the sum of the areas of all the exterior sides. In this figure, we have 3 congruent triangles at the top, 3 congruent rectangles on the sides, and 1 triangle at the base. We need to find all these areas.

3 congruent triangles:

The area of a triangle is denoted by: A = (1/2) * b * h, where b is the base and h is the height.

Here, the base of one triangle is 10 and the height is 4. So:

A = (1/2) * b * h

A = (1/2) * 10 * 4 = 20

Since there are 3 such triangles, multiply 20 by 3:

20 * 3 = 60 cm squared

3 congruent rectangles:

The area of a rectangle is denoted by: A = lw, where l is the length and w is the width.

Here, the length is 6 and the width is 10, so:

A = lw

A = 6 * 10 = 60

There are 3 such rectangles, so multiply 60 by 3:

60 * 3 = 180 cm squared

1 base triangle:

Again we use the formula A = (1/2) * b * h for this area.

Here, the base is 10 and the height is 8.7, so:

A = (1/2) * b * h

A = (1/2) * 10 * 8.7 = 43.5 cm squared

Add all these together:

60 + 180 + 43.5 = 283.5 cm squared

The answer is thus 283.5 cm squared.

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3 years ago

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Daniel wanted to know his approximate score on the final exam for his mathematics class. His professor hinted that his score was

Marizza181 [45]

Answer:

The raw score for his exam grade is 99.69.

Step-by-step explanation:

Given : The professor announced that the mean for the class final exam was 88 with a standard deviation of 7. Given Daniel's z score of 1.67.

To find : What is the raw score for his exam grade?

Solution :

The formula use to find the z-score is

$z=\dfrac{x-\mu}{\sigma}$

Where, z=1.67 is the z-score

$\mu=88$ is the means

$\sigma=7$ is the standard deviation

x is the raw score for his exam grade

Substitute the values,

$1.67=\dfrac{x-88}{7}$

$1.67\times 7=x-88$

$11.69=x-88$

$x=88+11.69$

$x=99.69$

Therefore, the raw score for his exam grade is 99.69.

7 0

3 years ago