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3 years ago

PLZ HELP ME IM GOING TO FAIL THEN PLZ A cyclist cycles a distance of 48 miles in a time of 3 hours.

Mathematics

2 answers:

Pani-rosa [81]3 years ago

8 0

Answer:

her average speed is 16 miles per hour

Step-by-step explanation:

do 48 divided by 3 = 16

Mrrafil [7]3 years ago

7 0

Answer:

16miles per hour

Step-by-step explanation:

your total number of miles being 48 and your number of hours being 3 you want to get your answer to be the number of miles in one hour or per hour so you would devide your miles by the number of hours

48/3 = 16 miles per hour

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Please Help Me!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

GuDViN [60]

Answer:

(-2, 11) and (2, 3)

Step-by-step explanation:

Given system of equations:

1) f(x) = x² - 2x + 3 ⇒ y = x² - 2x + 3

2) f(x) = -2x + 7 ⇒ y = -2x + 7

Solve Using the Substitution Method:

Step 1: Substitute the the first equation into the second.

⇒ x² - 2x + 3 = -2x + 7

Step 2: Solve for x.

x² - 2x + 3 = -2x + 7 [ Add 2x to both sides. ]

x² - 2x + 2x + 3 = -2x + 2x + 7

⇒ x² + 3 = 7 [ Subtract 3 from both sides. ]

x² + 3 - 3 = 7 - 3

⇒ x² = 4 [ Take the square root of both sides. ]

√x² = √4

x = ± 2

⇒ x = -2, x = 2

Step 3: Solve for y.

Substitute the found x-values into one of the given equations.

y = -2x + 7 ⇒ y = -2(-2) + 7 ⇒ y = 4 + 7 ⇒ y = 11

y = -2x + 7 ⇒ y = -2(2) + 7 ⇒ y = -4 + 7 ⇒ y = 3

The solutions to the system of equations are: (-2, 11) and (2, 3).

Learn more about system of equations here:

brainly.com/question/26094713

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5 0

2 years ago

Read 2 more answers

Which property was used to simplify the expression? (3z)^2 = 3^2z^2 = 9z^2

svet-max [94.6K]

One of the product rules for exponents was used.
$(ab)^{c}=a^{c}b^{c}$

Or, you can consider that the definition of an exponent and the associative and commutative properties of multiplication were used.
$(3z)^{2}\\=(3z)(3z)\\=3\cdot 3\cdot z\cdot z\\=3^{2}z^{2}\\=9z^{2}$

3 0

3 years ago

Pls welp will give brainliest to whoever answers correctly first

Sholpan [36]

There are 12 squares in each 4 x 3 grid.

25% of 12 = 3

This means that there should be 3 shaded squares in the grid.

Your answer is B. because it has 3 shaded squares.

7 0

3 years ago

Read 2 more answers

Ty and his 3 brothers share a pizza equally. Which of these shows how much of the pizza Ty's brothers have?

Yuki888 [10]

Answer:

3/4

Step-by-step explanation:

pizza is cut into fourths because there are for people eating it. the brothers have 3/4 of the pizza because there are only 3 brothers

7 0

3 years ago

Find the area of the kite please help and just don’t write down random answers

Zanzabum

Answer:

187.06 units²

Step-by-step explanation:

Area of kite:

½ × d1 × d2

½d1 = 18sin(30)

½d1 = 9

d1 = 18

d2 = 9/tan(60) + 18cos(30)

= 12sqrt(3)

Area = ½ × 18 × 12sqrt(3)

108sqrt(3) units²

187.0614872 units²

6 0

3 years ago