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4 years ago

Wanda rode her bike 21/10 miles. Write a mixed number that shows how far Wanda rode her bike.

Mathematics

1 answer:

bija089 [108]4 years ago

3 0

$\frac{21}{10}$ = 21÷10

2 x 10 = 20

21-20 = 1

2 $2\frac{1}{10}$

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Help ne with this math

stira [4]

The answer is A,E,G,L,D,and H.

You can check this by doing this:

This is for A

16*4=84

12*7=64

84+64=148

6 0

3 years ago

Solve the equation for x. 10x= 120

Dominik [7]

Answer:

x = 12

Step-by-step explanation:

10x = 120 original equation

10x/10 = 120/10 divide both sides by 10

x = 12 simplify

Check work:

10(12) = 120

120 = 120 (true)

6 0

3 years ago

Read 2 more answers

How do you find the area and perimeter of a rectangle. And how do you find the area and perimeter of a square?

cupoosta [38]

Answer:

The perimeter of a rectangle is P = 2 b + 2 h , where is the base (or width) and is the height (or length). If a rectangle is a square, with sides of length , the formula for perimeter is P s q u a r e = 2 s + 2 s = 4 s and the formula for area is A s q u a r e = s ⋅ s = s 2

Step-by-step explanation:

5 0

3 years ago

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!

olasank [31]

Answer: $a_n=2(5)^{n-2}$

Step-by-step explanation:

The explicit rule for a geometric sequence is: $a_n=a_1(r)^{n-1}\quad \text{where}\ a_1\ \text{is the first term and r is the ratio}$

The information provided is: a₁ = $\dfrac{2}{5}$ and r = 5

$a_n=\dfrac{2}{5}(5)^{n - 1}\\\\.\quad = 2(5)^{n-2}$

4 0

3 years ago

a 9ft ladder is placed 4.5 feet from the base of a wall. How high up will the ladder reach? Round to the nearest hundredth.

spin [16.1K]

Answer:

$\huge\boxed{7.79 \ \text{feet}}$

Step-by-step explanation:

We know that we have a 9 foot long ladder resting upon a wall, with an unknown height, but the ladder is 4.5 feet away from the wall.

This can be represented as a triangle, where x is the unknown side.

| \

x | \ 9

| \

|_____\

4.5

We can use The Pythagorean Theorem to find the value of x. The theorem states that $a^2+b^2=c^2$ , where a and b are the lengths of the legs and c is the length of the hypotenuse.

However, we already know the hypotenuse and one leg. Therefore we can substitute inside the equation to find the missing value.

$a^2 + 4.5^2 = 9^2\\\\a^2 + 20.25 = 81\\\\a^2 = 60.75\\\\a \approx 7.79$

Hope this helped!

7 0

3 years ago