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3 years ago

What is the slope of this line?

Mathematics

1 answer:

ruslelena [56]3 years ago

5 0

Answer:

-1 is the slope

Step-by-step explanation:

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(9.1 × 109)(7.5 × 102) What is the exponent of the power in scientific notation?

sergejj [24]

Answer:

= The exponent is 12

Step-by-step explanation:

(9.1 × 10^9)(7.5 × 10^2)

When multiplying terms in scientific notation, we multiply the numbers in front and add the exponents

(a* 10^b) (c* 10^d) = ac * 10^(b+d)

(9.1 × 10^9)(7.5 × 10^2) = (9.1*7.5) * 10^(9+2)

=68.25 * 10^11

But this is not proper scientific notation. We can only have 1 number in front of the decimal. We need to move the decimal 1 place to the right. That adds 1 to the exponent.

=68.25 * 10^11 = 6.825 * 10^(11+1)

= 6.825 * 10^12

5 0

3 years ago

Read 2 more answers

Please help I need answer ASAP

Alla [95]

Answer:

A. The length is 1.5 inches and the width is 1 inch.

Step-by-step explanation:

If we assume the two scale factors are related, then 1:10 is half of 1:20, so half of 3:2 is 1.5:1.

5 0

3 years ago

How does dividing mixed number compare with dividing fractions?

Orlov [11]

Dividing mixed numbers is when you take a mixed number divided by a mixed number and make then fractions. Here's an example:
(Example)~5 1/5 divided by 3 1/3
5x5=25+1=26. 26/5
3x3=9+1=10/3
26/5 divided by 10/3= 26/5 multiplied by 3/10= 78/50
Dividing Fractions is when you turn 2 fractions and make them into a multiplication problem. Here's an example:
(Example)~ 2/3 divided by 4/8
2/3 multiplied by 8/4
2/3 x 8/4= 16/12~ Which turns into 1 4/12

5 0

2 years ago

Juan sells 2 sizes of dried wreaths it takes him 3 hours to make each large and 2 hours to make each small one. he has material

Karo-lina-s [1.5K]

Answer: The answer is (2,9) and (6,3).

Step-by-step explanation: Given that Juan sells 2 sizes of dried wreaths. He takes 3 hours to make each large one and tales 2 hours to make each small one. Also, he has material for maximum 6 large wreaths or maximum 9 small wreaths.

Let, 'x' and 'y' be the number of number of large wreaths and number of small wreaths respectively made by Juan.

So, according to the given information, we have the following relations -

$3x+2y\leq 24,~~x\leq 6,~~y\leq 9.$

We tried plotting these inequalities in the graph paper (please see the attached figure), and found that the following two solutions will fit the situation perfectly.

Point A (x = 2, y = 9) and point B (x = 6, y = 3).

Thus, the two possible combinations are

(i) 2 large wreaths and 9 small wreaths, and

(ii) 6 large wreaths and 3 small wreaths.

7 0

3 years ago

A 12-foot ladder is placed against a vertical wall of a building, with the bottom of the ladder standing on the level ground 7 f

Airida [17]

Answer:

the ladder reaches up to 9.75 ft. high

Step-by-step explanation:

a^2+b^2=c^2

plug in the numbers

a^2+49=144

then subtract 49 from 144

a^2=95

then sq 95

a=9.75

3 0

3 years ago

Read 2 more answers