3 years ago

PLEASE HELP ASAP AND IF YOU DONT KNOW DONT ANSWER (PHOTO ATTACHED)

Mathematics

2 answers:

Oxana [17]3 years ago

8 0

Answer:

I believe its b, bc the slope is negitive

Step-by-step explanation:

monitta3 years ago

7 0

Answer:

its the second one from the left side

Step-by-step explanation:

hope this helps

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a speck of dust is 1.2 x 10^-6m wide. Which of the following is the best way to rewrite this quantity, using more appropriate un

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Answer:C 1.2x 10^-6

Step-by-step explanation:

4 0

3 years ago

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Find the value of the expression 4a4 − 2b2 + 40 when a = 2 and b = 7.

Makovka662 [10]

4 a⁴ - 2 b² + 40 :

4 * ( 2⁴) - 2 * ( 7²) + 40 =

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+ 6

<span>hope this helps!</span>

4 0

3 years ago

NEED SOME HELP HERE!!

Stolb23 [73]

Answer:

6 and 8

Step-by-step explanation:

Pythagorean theorem: a² + b² = c²

Given this,

(3x)² + (4x)² = 10²

9x² + 16x² = 100

25x² = 100

Divide both sides by 25

x² = 4

x = 2

Substitute this into 3x and 4x.

3x = 3 * 2 = 6

4x = 4 * 2 = 8

Thus, the answer is 6 and 8

5 0

3 years ago

Mr. Walker, a runner, asked students to find the unit rate of the winner of the first Boston Marathon in 1897. John J. McDermott

EleoNora [17]

Answer: 8.4 miles per hour

Step-by-step explanation:

Since, total distance = 24.5 miles,

Time taken = $175 \text{ minutes} = \frac{175}{60} \text{ hours} =\frac{35}{12} \text{ hours}$

Thus,

$\text{ The unit rate} = \frac{\text{ Total distance}}{\text{ Time taken}}$

$=\frac{24.5}{35/12}$

$=\frac{294}{35}$

$=8.4\text{ miles per hour}$

6 0

3 years ago

The dimensions of a garden are 30' by 20'. If a model garden with the scale of 10' = 5'' is to be made, find the dimensions of t

olchik [2.2K]

Answer:

15" by 10"

Step-by-step explanation:

Use a proportion.

10'/5" = 30"/x

10x = 5 * 30

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x = 15"

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10y = 5 * 20

10y = 100

y = 10"

Answer: 15" by 10"

8 0

3 years ago