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3 years ago

I need help please?!!

Mathematics

1 answer:

Helga [31]3 years ago

3 0

Answer:

Step-by-step explanation:

1+5 x 3= 16

16/2 = 8

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A television news program asks its viewers to call in to give their opinions on an upcoming ballot question. What type of sampli

Alla [95]

Answer:

This is an example of self selecting sampling

Step-by-step explanation:

This is an example of self selecting sampling because the news program is asking viewed to give their opinions. The viewers themselves have a choice of participating in the sample therefore is self selecting.

4 0

3 years ago

Find the value of x. Picture below

Wittaler [7]

Here a right angled triangle given. We know that one angle of a right angled triangle is 90°.

As the sum of three angles of a triangle is 180°, so we can say the sum of other two angles of a right angled triangle is (180-90)° = 90°.

Here in the figure the other two angles given $(2x)^o$ and $(x+15)^o$ . Sum of these two angles is 90°.

So we can write the equation as,

$(2x)+(x+15) = 90$

We have to remove the parenthesis now.

$2x+x+15 = 90$

Now we will add the like terms. Here x and 2x are like terms. By adding them we will get,

$3x+15 = 90$

To solve it for x, now we have to move 15 to the other side by subtracting it from both sides.

$3x+15-15 = 90-15$

$3x= 90-15$

$3x= 75$

Now to get x, we have to move 3 to the other side, by dividing it to both sides.

$(3x)/3 = (75)/3$

$x = (75)/3$

$x = 25$

We have got the required value of x.

The solution is x= 25.

3 0

4 years ago

Can you tell me the answer it's my birthday today

ExtremeBDS [4]

Happy birthday, and the answer would be 3m(squared). The formula is LxH/2.

3 0

4 years ago

1489 x 390 + 65 /2 =<br> plz put the answer in word form and explain how u got this answer

Oksanka [162]

Answer:

580742.5, in words: five hundred eighty thousand seven hundred forty-two and a half.

Multiply: 1489 * 390 = 580710

Divide: 65 / 2 = 32.5

Add: 580710+32.5 = 580742.5

4 0

3 years ago

Read 2 more answers

Adante begins to evaluate the expression 3 1/3 x 5 1/4 using the steps below

il63 [147K]

Answer:

$\frac{35}{2}$

Step-by-step explanation:

To solve this problem we need to write the mixed fraction as a fractional number, as follows:

$3 1/3 = 3 + \frac{1}{3} = \frac{9+1}{3} = \frac{10}{3}$

$5 1/4 = 5 + \frac{1}{4} = \frac{20+1}{4} = \frac{21}{4}$

Then, evaluating the expression:

$\frac{10}{3}$ × $\frac{21}{4}$ = $\frac{210}{12}$ = $\frac{35}{2}$

4 0

3 years ago