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4 years ago

What should I write on both srategies I will mark you the brainliest ps 15 points

Mathematics

2 answers:

Rama09 [41]4 years ago

5 0

84
— = 12 and 7(12) = 84
7

Verizon [17]4 years ago

3 0

You can find the answer to that by dividing that equation or multiplying an answer you think it might be to that equation and see if you get 84

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The conjugate is used in _____ of complex numbers.

creativ13 [48]

A. quadratic i’m pretty sure

8 0

3 years ago

Read 2 more answers

a daycare center charges a $75 enrollment fee plus $100 per week. the function f(x) = 100x +75 gives the cost of daycare for x w

muminat

The domain is all real numbers and range is also all real numbers

Step-by-step explanation:

The domain is the set of possible inputs for a function while the range is the set of all outputs that result from the domain.

Given function is:

$f(x)=100x+75$

<u>Domain:</u>

The domain will be all real numbers as there is no number on which the function will be undefined

<u>Range:</u>

The range will also be all real numbers.

The domain is all real numbers and range is also all real numbers

Keywords: Linear function, Domain, Range

Learn more about domain and range from:

#LearnwithBrainly

3 0

3 years ago

A pizza shop charged $49.57 for 3 large pepperoni pizzas. This price included a $2.50 delivery fee.

Amiraneli [1.4K]

It will be $49.57 - $2.50 = $47.07

5 0

3 years ago

Read 2 more answers

Susanne wants to put up a fence around her

Anettt [7]

Answer:

44 feet

Step-by-step explanation:

The garden is square and one side is 11 feet. Therefore the equation is 11 x 4

8 0

4 years ago

Students have organized

Olenka [21]

Answer:

Part A. At least 6 hours

Part B. In less than 2.5 hours Elijah will be behind Mercedes

Part C. In more than 2.5 hours Elijah will be ahead Aubrey

Step-by-step explanation:

D = distance

v =speed

t = time

Formula connecting D, v and t:

$D=v\cdot t$

Part A.

Steve's speed: $v=3.5\ mph$

Distance: at least 21 miles

Time: unknown, so

$3.5\cdot t\ge 21\\ \\35t\ge 210\ [\text{Multiplied by 10}]\\ \\t\ge \dfrac{210}{35}\\ \\t\ge \dfrac{30}{5}\\ \\t\ge 6$

It would take Steve at least 6 hours to walk at least 21 mi on Day 1.

Part B.

Mercedes's speed: $v_M=2.4\ mph$

Elijan's speed: $v_E=3.2\ mph$

Elijan's Distance walked: $D_E$ miles

Mercedes's Distance walked: $D_M$ miles

Time: x hours

Mercedes is 2 miles ahead, so

$D_E=3.2x\\ \\D_M=2.4x+2$

Elijan will be behind when

$D_E$

In 2.5 hours Elijan will catch up Mercedes, and in less than 2.5 hours Elijah will be behind Mercedes.

Part C.

Aubrey's speed: $v_M=3\ mph$

Elijan's speed: $v_E=3.2\ mph$

Elijan's Distance walked: $D_E$ miles

Aubrey's Distance walked: $D_A$ miles

Time: x hours

At the beginning of Day 3, Elijah starts walking at the marker for Mile 42, and Aubrey starts walking at the marker for Mile 42.5.

$D_E=42+3.2x\\ \\D_A=42.5+3x$

Elijan will be ahead of Aubrey when

$D_E>D_A\\ \\42+3.2x> 42.5+3x\\ \\3.2x-3x>42.5-42\\ \\0.2x>0.5\\ \\2x>5\ [\text{Multiplied by 10}]\\ \\x>\dfrac{5}{2}\\ \\x>2.5\ hours$

In 2.5 hours Elijan will catch up Aubrey, and in more than 2.5 hours Elijah will be ahead Aubrey.

4 0

4 years ago