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Oduvanchick [21]
3 years ago
5

Solve and graph 12-3a>18a

Mathematics
1 answer:
Andrej [43]3 years ago
7 0

Answer:

a = 0.57

Step-by-step explanation:

12 - 3a > 18a

<u>     +3a    +3a</u>

12 > 21a

divide by 21

a = 0.57

<em><u>Hope this helped! Have a nice rest of ur day! Plz mark as brainliest!!! :D</u></em>

<em><u>-Lil G</u></em>

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16 OT 26
hram777 [196]

Answer:

Total = 166cm^2

Step-by-step explanation:

Given

See attachment

Required

Determine the surface area

The figure is made up of two cuboids and the surface area of a cuboid is:

Area = 2LB + 2LH + 2BH

Because the bottom part of the upper piece is not visible, the area is calculated as:

Area = 2LB + 2LH + BH

This gives:

Area = 2 * 5*4 + 2 * 4 * 2 + 5 * 2

Area = 66

For the bottom piece:

We calculate its area as Area = 2LB + 2LH + 2BH. However, the area of the invisible part will be subtracted.

So, we have:

Area = 2*3*5 + 2*3*5 + 2*5*5 - 2*5

Area = 100

The total surface area is:

Total = 66 + 100

Total = 166cm^2

5 0
3 years ago
Answer this for 15 points and Brainliest
Alenkasestr [34]

Answer:

y=3x+18

Step-by-step explanation:

Since slope-intercept form is y=mx+b, we first need to find the slope.

m=y2-y1/x2-x1

m=0-(-9)/-6-(-9)

m=9/3=3

Next we need to find b, or the y-intercept

to do that we plug in numbers to what we already have.

y=3x+b

0=-18+b

b=18

Now we put it all together.

<h3>y=3x+18</h3>

4 0
3 years ago
Solve −x+5≤4 or 2x+3≥−1 and write the solution in interval notation.
serg [7]

Answer:

Step-by-step explanation:

\left \{ {{-x+5\leq 4} \atop {2x+3\geq -1}} \right.   ⇒ x\geq 1\\2x\geq 4\\x\geq -2

or

x \geq -2\\(-2,+ { \infty} ) (Answer)

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2 years ago
What is the intersection of the following sets? G = {3, 7, 8, 9} H = {2, 5, 7, 8}
weeeeeb [17]

"The intersection (∩) of a pair of sets (G and H) is a third set (I) composed by the elements that belong, at the same time, to both given sets."

According to this definition:

Given the sets:

G = {3, 7, 8, 9}

H = {2, 5, 7, 8}

The Intersection is:

G ∩ H = I = {7, 8}

:-)

5 0
3 years ago
Read 2 more answers
Find the area of the shaded region.
andriy [413]
8x5 = 40
3x2 = 6

40 - 6 = 34

answer:
area of shaded = 34
3 0
3 years ago
Read 2 more answers
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