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2 years ago

If 8 is added to a certain number, the result is 34. Write an equation to describe this situation.

Mathematics

2 answers:

Vaselesa [24]2 years ago

8 0

Algebraic expressions

x = a certain number

added = addition

the result = addition result

the equation: 8 + x = 34

makkiz [27]2 years ago

3 0

Answer:

x + 8 = 34

Step-by-step explanation:

Hope it helps.

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Can someone help me.

salantis [7]

Answer:

see explanation

Step-by-step explanation:

substitute the values of x in the table into g(x)

Using the rule of exponents

$a^{-m}$ = $\frac{1}{a^{m} }$

g(- 2) = $4^{-2}$ = $\frac{1}{4^{2} }$ = $\frac{1}{16}$

g(- 1) = $4^{-1}$ = $\frac{1}{4}$

g(0) = $4^{0}$ = 1

g(1) = $4^{1}$ = 4

g(2) = 4² = 16

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2 years ago

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What’s the answer to this, only if u know thanks!’

VladimirAG [237]

Answer:

120+(10+2x)=180

10+2x=60

2x=50

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Step-by-step explanation:

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3 years ago

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PLEASE HELP Given: △KLM LM=12, m∠K=60°, m∠M=45° Find: Perimeter of △KLM.

worty [1.4K]

We have to find the perimeter of the triangle KLM.

We have been given that the length of the side LM=12, $m\angleK=60^\circ$ , and $m\angle M= 45^\circ$

Refer the attached image.

In a triangle sum of three angles should be $180^\circ$ .

So,

$m\angle K+m\angle L+m\angle M=180^\circ$

Plugging the values of angle K and angle M, we get:

$60^\circ+m\angle L+45^\circ=180^\circ$

So,

$m\angle L=180^\circ-105^\circ=75^\circ$

Now, that we have the measure of angle L, we will apply sine rule to find the length of the sides KL and KM.

Using the sine law for the triangle KLM, we get:

$\frac{sin K}{LM}=\frac{sin L}{KM}=\frac{sin M}{KL}$

Refer the image. Plugging the value of the sides of the triangle KLM and the angles of the triangle KLM, we get:

$\frac {sin 60^\circ}{12}=\frac{sin 75^\circ}{y}=\frac{sin 45^\circ}{x}$

Now using,

$\frac {sin 60^\circ}{12}=\frac{sin 75^\circ}{y}$

We get the value of 'y'

$y=\frac{sin 75^\circ}{sin 60^\circ} \times 12=\frac{0.9659}{0.866} \times 12=13.38$

So the length of the side KM is 13.38 units.

Now using,

$\frac {sin 60^\circ}{12}=\frac{sin 45^\circ}{x}$

We get the value of 'x'

$x=\frac{sin 45^\circ}{sin 60^\circ} \times 12=\frac{0.707}{0.866} \times 12=9.79$

So the length of the side KL is 9.79 units.

Now, to find the perimeter of the triangle KLM we need to sum up the length of the sides of the triangle KLM.

The perimeter of the triangle KLM $= KL+ LM + KM = 9.79 + 12 + 13.38 = 35.17$ units

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3 years ago

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Brad wants to buy flowers for his friend with 45$. The daisies are 1$ each and the roses are 2$ each. He buys 3 more daisies tha

katrin2010 [14]

I did the math, which wasn't too hard if you knew how to solve it.

There will be 14 roses, which is worth $28. 14($2)

And finally there will be 17 daisies, which is worth $17. 17($1)

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2 years ago

A rainwater collection tank contained 40 inches of water. After 4 days of rain, the level had risen to 52 inches. Let r represen

alexgriva [62]

Answer:

40 + r = 52 is the answer and the answer to y is 12

Step-by-step explanation:

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2 years ago

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