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Vsevolod [243]
2 years ago
14

Please help, I'm dum

Mathematics
2 answers:
Mars2501 [29]2 years ago
5 0

Answer: should be cos 52

Step-by-step explanation: :)

mart [117]2 years ago
5 0

Answer:

a hope it helps make brainlliest ty the tasmanian

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Task 5:
Natasha_Volkova [10]

Answer:

p=18x+4

a=20x^2+17x-63

a=1350

Step-by-step explanation:

Given:

l=5x-7

w=4x+9

Required:

Area of the rectangle=?

Perimeter of the rectangle=?

If x = 9 inches what is the area of the shape=?

Formula:

a=l*w

p=2(l+w)

Solution:

p=2(l+w)

p=2(5x-7)+2(4x+9)

p=10x-14+8x+18

p=10x+8x+18-14

p=18x+4

a=l*w

a=(5x-7)(4x+9)

a=20x^2+45x-28x-63

a=20x^2+17x-63

Area of the shape if x=9in

a=20x^2+17x-63

a=20(81)+17(9)-63

a=1620+153-63

a=1413-63

a=1350

8 0
3 years ago
What percentage of 5/2 hours is 15 minutes?​
elena-14-01-66 [18.8K]

Answer:

10 %

Step-by-step explanation:

15 mn = 1/4 h

We have :

\frac{\frac{1}{4} }{\frac{5}{2} } =\frac{1}{4} \times \frac{2}{5} =\frac{2}{20} =\frac{1}{10}=0.1

Then the percentage that 15 mn represents of 5/2 h is :

0.1 × 100 = 10 %

5 0
2 years ago
Solve the inequality.<br> 140 &lt; -20j
klemol [59]

Answer:

              J < -7

Explantion:

Rewrite so J is on the left side

                  -20j > 140

               Divide each term by -20 and simplify

                   j < -7          

8 0
2 years ago
Estimate with one digit <br> 6/253
aleksandr82 [10.1K]
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6 0
3 years ago
Please help with this
DIA [1.3K]
Sorry i cant see the picture so well
5 0
2 years ago
Read 2 more answers
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