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2 years ago

Which expression is equivalent to 2(4 + x) + 3 ?

Mathematics

1 answer:

Elden [556K]2 years ago

6 0

The correct answer is A. 2*4+x+3

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11) In a triangle, the ratio of the measures of three angles is 2:5:8. Find the measures of

natta225 [31]

Answer:

Sum of interior angles of a triangle always = 180 degrees

add the individual ratios to get a sum composite ratio:

2+5+8 = 15

180 / 15 = 12

Multiply individual ratios:

{2:5:8} * 12 = 24:60:96

Check:

24 + 60 + 96 = 180

Step-by-step explanation:

I hope it's help

7 0

2 years ago

What is the y-intercept of a line that has a slope of 3 and passes through point (-1, -7)?

xxTIMURxx [149]

Answer:

-4

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Find a point-slope form for the line with slope 1/5 and passing through the point (-4,-9).

sattari [20]

Answer:

y + 9 = $\frac{1}{5}$ (x + 4)

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

Here m = $\frac{1}{5}$ and (a, b) = (- 4, - 9) , thus

y - (- 9) = $\frac{1}{5}$ (x - (- 4) ) , that is

y + 9 = $\frac{1}{5}$ (x + 4)

3 0

2 years ago

B) Find all 3-tuples (a,b,c) satisfying

Tanya [424]

Abc is the answer hope that helps

5 0

2 years ago

21. Brian wants to purchase a piece of fabric

ella [17]

Brian should purchase Choice C of fabric

<em><u>Solution:</u></em>

Given that Brian wants to purchase a piece of fabric that is between 49 and 53 inches long

So piece of fabric should be between: 49 and 53 inches

Choice A is $4\frac{3}{4}$ feet long

Let us convert feet to inches

$4\frac{3}{4} feet = \frac{4 \times 4 + 3}{4} = \frac{19}{4} feet$

Now convert to inches

We know that,

1 feet = 12 inches

$\frac{19}{4} feet = \frac{19}{4} \times 12 = 57 inches$

But this choice is greater than given condition that piece of fabric should be between: 49 and 53 inches

So this is not correct

Choice B is $4\frac{1}{2}$ feet long

$4\frac{1}{2} feet = \frac{2 \times 4 + 1}{2} = \frac{9}{2} feet$

Now convert to inches

$\frac{9}{2} feet = \frac{9}{2} \times 12 inches = 54 inches$

But this choice is greater than given condition that piece of fabric should be between: 49 and 53 inches

So this is not correct

Choice C is $4\frac{1}{3}$ feet long

$4\frac{1}{3} feet = \frac{3 \times 4 + 1}{3} = \frac{13}{3} feet$

Now convert to inches

$\frac{13}{3} feet = \frac{13}{3} \times 12 inches = 52 inches$

So this 52 inches lies between 49 and 53 inches

So Brian should purchase Choice C of fabric

8 0

2 years ago