3 years ago

Pls find 5he area of each rectangle thxs

Mathematics

2 answers:

horsena [70]3 years ago

3 0

(7 cm)*(10 cm) = 70 cm^2

The area is the product of length and width.

Hatshy [7]3 years ago

3 0

Length × width
7×10=70

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5 0

3 years ago

Use the dot product to determine whether v and w are orthogonal.

nata0808 [166]

Answer:

B. The vectors v and w are orthogonal because their dot product is <u> 0 </u>

Step-by-step explanation:

Given that :

v= - i - j

w= - i + j

Therefore;

vw = ( - i - j ) ( - i + j )

Taking each set of integer of the vector into consideration:

vw = ( -1 × - 1) ( -1 × 1)

vw = 1 - 1

vw = 0

Hence, we can conclude that :

The vectors v and w are orthogonal because their dot product is <u> 0 </u>

7 0

4 years ago

In 10 years, a bank account with a 5.25% annual interest rate earned $18,375 as simple interest. What was the principal amount?

sdas [7]

Answer:

The principal amont was $35,000

Step-by-step explanation:

This is a simple interest problem.

The simple interest formula is given by:

$E = P*I*t$

In which E are the earnings, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.

In this problem, we have that:

$E = 18375, t = 10, I = 0.0525$

We want to find P. So

$E = P*I*t$

$18375 = P*0.0525*10$

$0.525P = 18375$

$P = \frac{18375}{0.525}$

$P = 35000$

The principal amont was $35,000

5 0

3 years ago

If f(x) is the total number of bacteria present in a sample after x hours, which of the following statements bestdescribes the m

Arlecino [84]

After 2 hours, there are 12 bacteria present.

3 0

3 years ago

Evaluate 18 divided by y=2.

QveST [7]

first you put 18/y=2

you multiply by 18 to get y=36

your answer is 36, y=36

7 0

3 years ago

Read 2 more answers