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3 years ago

Solve the system of nonlinear equations: 4x - y = 4 x^2 - y = -1

Mathematics

1 answer:

rjkz [21]3 years ago

6 0

(x1, y1) = (3,8)
(x2, y2) = (1,0)

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Jim can read 17 pages in 12 minutes. If he can maintain this pace, how many pages can he read in one hour?

Lostsunrise [7]

Answer: 85 pages
cross multiply 60 x 17 = 1020 / 12 = 85

17 85
— = —
12 60

7 0

2 years ago

At barlow school 4/9 of the 873 students are boys at willow school 2/3 of the 630 students are girls which school has the greate

marishachu [46]

Answer:

There are 178 more boys in Barlow school as compared to Willow school.

Step-by-step explanation:

We are given the following in the question:

Barlow school:

Total number of students = 873

Number of boys =

$=\dfrac{4}{9}\times 873 = 388$

Willow school:

Total number of students = 630

Number of girls =

$=\dfrac{2}{3}\times 630 = 420$

Number of boys =

Total number of students - total number of girls

$=630-420 = 210$

Thus, Barlow school has greater number of boys than Willow school.

Difference between the number of boys =

$=388-210\\=178$

Thus, there are 178 more boys in Barlow school as compared to Willow school.

7 0

3 years ago

What is the answer to ax + 7 = 8x + b<br> when x=9

xxTIMURxx [149]

Hey there!

ax + 7 = 8x + b

when x=9, so:

a(9) +7= 8(9) +b

9a +7= 72+b

I hope this helps?

6 0

3 years ago

A number increased by three is the same as quadrupling that number increased by five all divided by four. What is le number?

IrinaVladis [17]

Answer:

The number is infinity

Step-by-step explanation:

Let the unknown number be x

if the number increased by three, then we have;

x + 3

Also quadrupling that number increased by five all divided by four is expressed as;

(4x+5)/4

Equating bith expressions and calculating x;

x+3 = (4x+5)/4

cross multiply;

4(x+3) = 4x + 5

4x+12 = 4x + 5

4x-4x = 5 - 12

0x = -7

x = -7/0

x = ∞

Hence the number is infinity

5 0

2 years ago

What is this problem ?

Ede4ka [16]

Answer:

=100000

Step-by-step explanation:

(10^2)(10^3)

=10^2*10^3

=(10*10)*(10*10*10)

=10*10*10*10*10

=105

=100000

8 0

2 years ago