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marshall27 [118]
1 year ago
12

In a recent survey, 65 % of those responding were in favor of recycling. If 780 people were in favor of recycling, then how many

responded to the survey?​
Mathematics
1 answer:
vodomira [7]1 year ago
4 0

people who responded to survey are 120

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Anyone wanna help???
OLEGan [10]

Answer:

its probably the first 1

8 0
3 years ago
Read 2 more answers
(1 + 9.8k)(2.8) simplified
o-na [289]

Answer:

<em>2.8 + 27.44k</em>

Step-by-step explanation:

<u>Algebraic Simplification</u>

The rules of algebra can be applied in some situations to make expressions simplified or expanded, according to the specific needs of each problem.

We are given the expression:

(1 + 9.8k)(2.8)

It's a sum and a product. We cannot add the independent term with the variable term, so we can only multiply the factor and the contents of the parentheses as follows:

(2.8)1 + (2.8)9.8k

Operating:

2.8 + 27.44k

5 0
2 years ago
The right triangle on the right is a scaled copy of the right triangle on the left. Identify
AlekseyPX

Answer:

scale factor is 1:3.5

Step-by-step explanation:

56/16 = 3.5

5 0
2 years ago
Read 2 more answers
What is the volume of a sphere if d= 2.28 in
Debora [2.8K]
V=4/3 x pi r cubed thats the ewuation for the volume of a sphere
3 0
3 years ago
Read 2 more answers
A triangle was dilated by a scale factor of 6. If sin aº
Pavlova-9 [17]

Answer:

24 units

Step-by-step explanation:

A triangle was dilated by a scale factor of 6. If sin a° = four fifths and segment DE measures 30 units, how long is segment EF?

triangle DEF in which angle F is a right angle, angle D measures a degrees, and angle E measures b degrees

15.5 units

24 units

30 units

37.5 units

From the description:

angle D measures a degrees

opposite to angle D is side EF

side DE (which measures 30 units) is the hypotenuse of the triangle.

We also know that

\sin (a) = \frac{4}{5}

\sin (a) = \frac{opposite}{hypotenuse}

From definition:

\sin (a) = \frac{opposite}{hypotenuse}

Replacing:

\frac{4}{5} =\frac{ EF}{DE} \\\\EF = \frac{4}{5} *DE\\\\EF = \frac{4}{5} *30 \\\\= 24 units

8 0
3 years ago
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