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densk [106]
2 years ago
13

Can someone help please? Thank you.

Mathematics
1 answer:
makkiz [27]2 years ago
4 0

Answer:

B and C are the answers.

Step-by-step explanation:

3b+b = 4b because the value of B or any variable is 1 so 3 +1 is four and 4b is our answer.

2(2b) the brackets tell the number before brackets should be multiplied and 2 × 2 is 4 so the answer is 4b

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What is the equation of the line that passes through the point (-2, 7) and has a slope of zero?
Andreyy89

Answer:

<h2>The answer is option D</h2>

Step-by-step explanation:

To find the equation of a line given the slope and a point we use the formula

<h3>y -  y_{1} = m(x - x_{1})</h3>

where

m is the slope

( x1 , y1) is the point

From the question

slope = 0

The point is (- 2 , 7)

Substitute the values into the above formula and solve

That's

<h3>y - 7 = 0(x  +2) \\ y - 7 = 0</h3>

We have the final answer as

<h2>y = 7</h2>

Hope this helps you

6 0
4 years ago
Here goes another question: 4/5%9/10 and please if you can with procces
love history [14]
When you divide a fraction by another fraction, it is the same thing as multiplying that fraction by its reciprocal.

The reciprocal is the 'flipped' version of a fraction where the numerator becomes the denominator and the denominator becomes the numerator.

for example, the reciprocal of 9/10 is 10/9

Knowing this information 4/5÷9/10 is the same as 4/5×10/9

Now we can solve...

\frac{4}{5} * \frac{10}{9} = \frac{40}{45} = \frac{8}{9}

Answer= 8/9

7 0
4 years ago
Read 2 more answers
The original cost of a necklace is $32. The jewelry store is having a sale and every item is 30% off. A 6.75% tax rate is charge
madam [21]

Answer:

Step-by-step explanation:

Original cost = $32

Discount = 30% of 32

=\frac{30}{100}*32\\\\=\frac{3*32}{10}\\\\=\frac{96}{10}\\\\=9.6\\

Selling price =  32 - 9.60 = $22.40

Tax = 6.75% of 22.40

=\frac{6.75}{100}*22.40\\\\= 1.512

= $ 1.51

Total cost with discount and tax = 22.40 - 1.51 = $ 20.89

5 0
3 years ago
Which is right??????
victus00 [196]

Answer:

Point D

Step-by-step explanation:

To draw a perpendicular bisector between BE, you have take more than half of the length BE on the compass. So, it should be D

5 0
3 years ago
To use trigonometric functions to find sides and angles of right triangles. the functions sine, cosine, and tangent are called t
krok68 [10]

I am not sure what the question is but here is how you use trig functions:

sine of the angle = side opposite the angle ÷ hypotenuse

cosine of the angle = side adjacent to the angle ÷ hypotenuse

tangent of the angle = side opposite the angle ÷ side adjacent to the angle

4 0
3 years ago
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