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kotegsom [21]
3 years ago
14

Question 3.. will give brainliest

Mathematics
2 answers:
Triss [41]3 years ago
6 0

Answer:

-0.50

Step-by-step explanation:

4.75  + (-5.25)

Using a number line you can show the sum of points 4.75 and -5.25 is -0.50

1) Starting at 4.75 draw an arrow 5.25 units in the negative direction, arriving at -0.5.

Anna11 [10]3 years ago
3 0

Answer:

-0.5

Step-by-step explanation:

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Solve the inequality:<br> -40 &lt; 2(a + 12).
ioda

Answer:

a> -32

Step-by-step explanation:

-40 < 2(a +12)

-40 < 2(a) +2(12) <em>(</em><em>expand</em><em>)</em>

-40 < 2a +24

-40 -24 < 2a <em>(</em><em>bring</em><em> </em><em>constant</em><em> </em><em>to</em><em> </em><em>one</em><em> </em><em>side</em><em>)</em>

-64 < 2a <em>(</em><em>simplify</em><em>)</em>

2a > -64

a > -64 ÷2

a > -32

7 0
3 years ago
Given four functions, place them in order of their y-intercept, from highest to lowest.
Bas_tet [7]
We are given
f(x) = (x + 4)^(x - 2) + 2
g(x) = 8 (20)^x
j(x) is the given data

We are asked to arrange the functions according to increasing y-intercept. Simply substitute 0 to x and solve for the y-intercept. Doing this, the answer is
<span>C.) f(x), g(x),j(x),h(x)
</span>
8 0
3 years ago
Read 2 more answers
Given m || n, find the value of x and y
Anika [276]

Answer:

x = 16 and y = 121

Yes, its a long process.

Step-by-step explanation:

vertical angles are congruent given that: we do this

(4x-5)+(4x-5)+y+y=360

or

2(4x-5)+2y=360

divide both sides by 2

(4x-5)+y=180

distribute (there is an invisible 1 beside the parentheses of 4x-5)

4x-5+y=180

add 5 to both sides

4x+y = 185

subtract y from both sides

4x = 185-y

divide both sides by 4

x = (185-y)/4

note that (4x-5) is also EQUAL to (3x+11)

4x-5=3x+11

subtract 3x from both sides

x-5=11

add 5 to both sides

x = 16

Now that we know what x is, we can substitute it in the equation we got from 2(4x-5)+2y=360

Our equation was

x = (185-y)/4

16 = (185-y)/4

Multiply both sides by 4

64 = 185-y

Subtract 185 from both sides

-121=-y

multiply both sides by -1

121 = y

7 0
3 years ago
This figure represents a large storage container that will be built out of a new durable material. The storage company needs 8 o
zepelin [54]

The amount of material needed for the containers is its surface area

The amount of material needed for the 8 containers using the assumed parameters is 3080 square feet

<h3>How to determine the amount of material?</h3>

The question is incomplete, as the figure of the right pentagonal prism is not given.

So, I will provide a general explanation.

The surface area (SA) of a right pentagonal prism is:

SA = 5b(a + h)

Where:

  • b represents the base length
  • a represents the apothem
  • h represents the height

From the question, we have the height of the prism to be 8 ft.

Assume that:

a = 3 ft and b = 7 ft

The equation becomes

SA = 5 * 7 * (3 + 8)

Evaluate the product

SA = 385

The amount of material needed for the 8 containers would be:

Amount = 8 * 385 square feet

Amount = 3080 square feet

Hence, the amount of material needed for the 8 containers using the assumed parameters is 3080 square feet

Read more about area at:

brainly.com/question/24487155

6 0
3 years ago
HELP! I NEED ASAP "Find the sum (3m + 9) + (7c - 3) + (4n + 1)"
masya89 [10]

Answer:

its 3m+7+7c+4n

Step-by-step explanation:

Its really easy

7 0
3 years ago
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