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PtichkaEL [24]
4 years ago
7

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
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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:

  • brainly.com/question/3614284
  • brainly.com/question/3783529

#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
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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
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