3 years ago

Work out the size of angle x

Mathematics

1 answer:

xeze [42]3 years ago

8 0

I know this is off topic but I hope u have a good day

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Need answers to 30 and 31

Mice21 [21]

Answer:

C ; A

Step-by-step explanation:

<u>Question 30:</u>

Perimeter is the sum of all sides.

Perimeter for a recatngle can be found with the formula:

2(L+W)

Length is 7

Width is 4

Plug our values in.

2(7+4)

2(11)

Answer C

<u>Question 31:</u>

Circumference of a circle can be found with the formula:

πd.

Diameter of the given circle is 6.

Plug it in

6π

Round π to 3.14

6(3.14)

18.84

Answer A

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3 years ago

One gallon of paint is equivalent to 3.78 liters.Michael wants to determine how many centiliters this is.Which answer choice is

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Answer:

378 cl

Step-by-step explanation

1L=100 cl

3.78 × 100= 378 cl

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3 years ago

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Neporo4naja [7]

The answer is (0,2).

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3 years ago

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Step-by-step explanation:

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3 years ago

Which of the following is equivalent to 2 ln e^ln 5x = 2 ln 15?

neonofarm [45]

Answer:

x = 3

Step-by-step explanation:

Given in the question an equation,

$2lne^{ln5x}=2ln15$

Step 1

$e^{lnx}=x$

so,

$2ln(5x)=2ln15$

Step 2

cancel 2 on both sides of the equation

$ln{5x}=ln15$

Step 3

$ln{5x}-ln15=0$

$ln\frac{5x}{15}=0$

Step 4

$ln\frac{x}{3}=0$

Step 5

$e^{ln\frac{x}{3}}=e^{0}$

Step 6

x/3 = 1

x = 3(1)

x = 3

8 0

3 years ago

Work out the size of angle x​

Work out the size of angle x