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3 years ago

Is 6 right?? Please help

Mathematics

2 answers:

rjkz [21]3 years ago

7 0

If you put y =Alan’s cards you can put
10+x= y
but if not then 10+x is the amount of cards Alan would have except i wouldn’t put the =10x because that says you are multiplying and that doesn’t happen in this problem

dmitriy555 [2]3 years ago

4 0

Answer:

yes, it should be

Step-by-step explanation:

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Can someone help me find x

Viefleur [7K]

Answer:

Rounded to the nearest tenth: $x=5.7$ in

Rounded to the nearest hundredth: $x=5.74$ in

Step-by-step explanation:

We have a right triangle with a given angle of 35°. We also have the opposite side of that angle, $x$ , and its hypotenuse 10 in. To find $x$ , we are using the trig function that relates the opposite side with the hypotenuse; in other words, the sine trig function.

$sin\alpha =\frac{opposite}{hypotenuse}$

$sin(35)=\frac{x}{10}$

$x=10sin(35)$

$x=5.735764364$

Rounded to the nearest tenth: $x=5.7$ in

Rounded to the nearest hundredth: $x=5.74$ in

4 0

3 years ago

4b-1=-9 solve the equation

tatiyna

$4b-1=-9\ \ \ |+1\\\\4b=-8\ \ \ |:4\\\\b=-2$

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3 years ago

Read 2 more answers

The elevation of New Orleans, Louisiana is on 8 feet above sea level. The elevation of El Centro, California is 39 feet below se

Oxana [17]

Answer: 47

Step-by-step explanation:Find the absolute value of both which would be |8|+|-39|

Then you add 8 and 39 together which would be 47

4 0

3 years ago

Find the value of m that makes ABC~DEF when AB= 3, BC= 4, DE= 2m, EF= m+5, and ∠B≅∠E.

Yuki888 [10]

Answer:

m = 3

Step-by-step explanation:

It is given that there are two triangles $\triangle$ ABC and

$\triangle$ ABC ~

Also, the sides are:

AB= 3

BC= 4

DE= 2m

EF= m+5 and

∠B≅∠E

Please have a look at the attached figure for $\triangle$ ABC and

The triangles are similar so as per the property of similar triangles, the ratio of corresponding sides will be same.

i.e.

$\dfrac{AB}{DE} = \dfrac{BC}{EF}\\\Rightarrow \dfrac{3}{2m} = \dfrac{4}{m+5}\\\Rightarrow 3 \times (m+5) = 4 \times 2m\\\Rightarrow 3m +15= 8m \\\Rightarrow 5m=15\\\Rightarrow m = 3$