2 years ago

At a dog breeder's property,

Mathematics

1 answer:

nikdorinn [45]2 years ago

6 0

45 black dogs because 2/3 of 60 is 45

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(3.8 x 10 ^ -6) x (2.37 x 10 ^ -3)<br><br> Enter the answer in science notification

Black_prince [1.1K]

Multiply the coefficients and the powers of 10 with each other:

$(3.8 \times 10^{-6}) \times (2.37 \times 10^{-3}) = (3.8\times2.37) \times (10^{-6} \times10^{-3})$

The numeric part simply yields

$3.8\times2.37 = 9.006$

As for the powers of 10, you have to add the exponents, using the rule

$a^b \times a^c = a^{b+c}$

So, we have

$10^{-6} \times10^{-3} = 10^{-6-3} = 10^{-9}$

So, the final answer is

$9.006\times 10^{-9}$

7 0

2 years ago

The length of a rectangle is 5 Inches more than its width, x. The area of a rectangle can be represented by the equation

Paul [167]

Answer:

Factor:

x^2+5x-300=0

(x-15)(x+20)=0

x=15 is the width

x+5=20 is the length

Step-by-step explanation:

4 0

3 years ago

Factored form of 16m^4-121

AnnZ [28]

$16m^4-121 =(4m^2-11)(4m^2+11)$

8 0

2 years ago

The sentence "two times the difference of -18 and 6 amounts to -48" written as an equation is ?

Gennadij [26K]

2 (-18 - 6) = -48

By order of operations (PEDMAS) the parentheses are calculated first.

5 0

3 years ago

Please help will give 20 points to right answers (will give brainliest to very first correct answer) Tom walks 3.2 km every morn

nignag [31]

For this case we have the following conversions:
$1 mile = 1,609 km

1 mile = 5,280 feet$
We must apply the conversions to move from kilometers to feet.
We have then:
$(3.2) * (1 / 1,609) * (5280) = 10500.93226
$
Rounding off we have:
10501 feet
Answer:
there are 10501 feet in 3.2 km

6 0

3 years ago