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3 years ago

Pls help me do this question but pls don't get it wrong this is my attempt

Mathematics

1 answer:

alisha [4.7K]3 years ago

5 0

Answer: (c)

Step-by-step explanation:

Given

The function is $y=-x^2+6x-4$

Range of a function describes the values y can take

from the graph it is clear that the maximum value of y is 5

$\therefore y\leq5$

Hence. option (c) is correct.

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pickupchik [31]

Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

Car A's fuel efficiency is 34 miles per gallon of gasoline, and car B's fuel efficiency is 23 miles per gallon of gasoline. At t

Verdich [7]

Answer:

22 more gallons.

Step-by-step explanation:

Given:

Car A's fuel efficiency is 34 miles per gallon of gasoline.

Car B's fuel efficiency is 23 miles per gallon of gasoline.

Question asked:

At those rates, how many more gallons of gasoline would car B consume than car A on a 1,564 miles trip?

Solution:

<u>Car A's fuel efficiency is 34 miles per gallon of gasoline.</u>

<u>By unitary method:</u>

Car A can travel 34 miles in = 1 gallon

Car A can travel 1 mile in = $\frac{1}{34} \ gallon$

Car A can travel 1564 miles in = $\frac{1}{34} \times1564=46\ gallons$

<u>Car B's fuel efficiency is 23 miles per gallon of gasoline.</u>

Car B can travel 23 miles in = 1 gallon

Car B can travel 1 mile in = $\frac{1}{23} \ gallon$

Car B can travel 1564 mile in = $\frac{1}{23} \times1564=68\ gallons$

We found that for 1564 miles trip Car A consumes 46 gallons of gasoline while Car B consumes 68 gallons of gasoline that means Car B consumes 68 - 46 = 22 gallons more gasoline than Car A.

Thus, Car B consumes 22 more gallons of gasoline than Car A consumes.

<u />

6 0

3 years ago

3x – 2y+3<br> 3y - 2x<br><br> X=7 Y=6

faust18 [17]

<h2><em>Answer:</em></h2><h2><em>3×7-2×6+3</em></h2><h2 /><h2><em>=21-12+3=24-12</em><em>=</em><em>1</em><em>2</em></h2><h2 />

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4 years ago

I need help just answer no explanation please

dimulka [17.4K]

B . sorry if i’m wrong

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3 years ago

Can some please help me!!!! I need this asap!

Alecsey [184]

Answer:

A= -1,4 B=2,3 C=3,0 D=-1,-1

Step-by-step explanation:

idk what your looking for but I hope this helps

6 0

3 years ago

Pls help me do this question but pls don't get it wrong this is my attempt ​

Pls help me do this question but pls don't get it wrong this is my attempt