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Jlenok [28]
3 years ago
5

Can someone help me! it would mean the world! and tysm! <3

Mathematics
1 answer:
Andreyy893 years ago
5 0

Answer:

90m

Step-by-step explanation:

AB = 18m

BC = AB + 9 = 18 + 9 = 27m

Perimeter = 2(AB + BC)

= 2( 18 + 27)

= 2 x 45

= 90m

You might be interested in
2 u + 12 &lt; 23<br> 0,1 d + 8 &gt; 0<br> 3 - 4 r &gt; 7<br> 13 &lt; 2 z + 3<br> 6 ≥ 9 - 0, 15 i
BartSMP [9]

Answer:

Part 1) u< 5.5  

Part 2) d > -80

Part 3) r < -1

Part 4) z>5

Part 5) i\geq 20

Step-by-step explanation:

<u><em>The question is</em></u>

Solve each inequality for the indicated variable

Part 1) we have

2u+12

subtract 12 both sides

2u< 23-12\\2u

Divide by 2 both sides

u< 5.5

The solution is the interval (-∞,5.5)

In a number line the solution is the shaded area at left of u=5.5 (open circle)

The number 5.5 is not included in the solution

Part 2) we have

0.1d+8 >0

subtract 8 both sides

0.1d > -8

Divide by 0.1 both sides

d > -80

The solution is the interval (-80,∞)

In a number line the solution is the shaded area at right of d=-80 (open circle)

The number -80 is not included in the solution

Part 3) we have

3-4r> 7

Subtract 3 both sides

-4r>7-3\\-4r>4

Divide by -4 both sides

Remember that, when you multiply or divide both sides of an inequality by a negative number, you must reverse the inequality symbol

r < -1

The solution is the interval (-∞,-1)

In a number line the solution is the shaded area at left of r=-1.1 (open circle)

The number -1.1 is not included in the solution

Part 4) we have

13< 2z+3

Subtract 3 both sides

13-3

Divide by 2 both sides

5

Rewrite

z>5

The solution is the interval (5,∞)

In a number line the solution is the shaded area at right of z=5 (open circle)

The number 5 is not included in the solution

Part 5) we have

6\geq 9-0.15i

Subtract 9 both sides

6-9\geq -0.15i\\-3\geq -0.15i

Divide by -0.15 both sides

Remember that, when you multiply or divide both sides of an inequality by a negative number, you must reverse the inequality symbol

20\leq i

Rewrite

i\geq 20

The solution is the interval [20,∞)

In a number line the solution is the shaded area at right of i=20 (closed circle)

The number 20 is included in the solution

6 0
3 years ago
Someone please tell me the answers to this please I beg you
Wittaler [7]
1) 216
2) 203
3) 315
4) 256
5) 576
6) 440
7 0
3 years ago
The function h(n) gives the number of person-hours it takes to assemble n engines in a factory. What is a reasonable domain for
storchak [24]

Answer:

For example, if the function h(n) gives the number of person-hours it takes to assemble n engines in a factory, then the positive integers would be an appropriate domain for the function.

4 0
2 years ago
A diver went 25.65 feet below the surface of the ocean and then 16.5 feet further down he then rose 12.45 feet. Write and solve
trasher [3.6K]
X= 25.65 + 16.5 - 12.45
X=29.70
6 0
3 years ago
Read 2 more answers
Use the function below to find F(3).
Vaselesa [24]
<span>F(x) = (1/4)^x

</span><span>F(3) = (1/4)^3 = 1/64

</span><span>B. 1/64</span>
8 0
3 years ago
Read 2 more answers
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