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3 years ago

Help me with this please

Mathematics

1 answer:

rjkz [21]3 years ago

6 0

X=9x y=-2 and the rest is filled in

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3. At a bargain store, Jamal bought 2 items that each cost the same amount. Isaiah bought 3 items that each cost the same amount

coldgirl [10]

Answer:

$6.75 and $4.50

Step-by-step explanation:

a) Jamal spent:

Isaiah spent:

3 (x - 2.25)

The equation is:

2x = 3(x - 2.25)

b) Solving the equation

2x = 3x - 6.75
3x - 2x = 6.75
x = 6.75

c) Jamal's items cost

$6.75 each

Isaiah's items cost

$6.75 - $2.25 = $4.50 each

7 0

3 years ago

Convert x2 + y2 -4x = 0 to polar form.

Bingel [31]

Answer:

$r(r-4\cos \theta)=0$

Step-by-step explanation:

We are given the following equation:

$x^2 + y^2 -4x = 0$

We have to convert it into polar form.

We put

$x = r \cos \theta\\y = r\sin \theta$

Putting values, we get:

$x^2 + y^2 -4x = 0\\(r\cos \theta)^2 + (r\sin \theta)^2 - 4(r\cos \theta) = 0\\r^2(\cos^2 \theta + \sin^2 \theta) - 4r\cos \theta = 0\\r^2 - 4r\cos \theta = 0\\r(r-4\cos \theta)=0$

is the required polar form.

7 0

3 years ago

In angle abc ,m angle A = 17 and m angle B = 100 what is the measure of angle C

Alchen [17]

Angle C equals 63
Add angle 17 plus 100 and the subtract the answer from 180. Because a triangles are always 180 degrees

8 0

3 years ago

Using place value how to increase 2384598 by six million

Leno4ka [110]

6 million = 6,000,000

2,384,598 + 6,000,000 = 8,384,598

your answer is 8,384,598

hope this helps

3 0

3 years ago

What is 3/5 + 1/3 I got my Awncer but it says it's wrong

Harlamova29_29 [7]

Answer:

E 14/15

Step-by-step explanation:

3/5 = 9/15

1/3 = 5/15

8 0

3 years ago

Read 2 more answers

Help me with this please ​

Help me with this please