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KonstantinChe [14]

3 years ago

8

Micah is saving money for his first car his parents gave him 250 for his birthday and each week he plans on putting $40 into his

savings account

1 answer:

crimeas [40]3 years ago

3 0

Answer:

whats the question though?

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PLEASE HELP! GIVING POINTS :)!

masya89 [10]

Answer:

1 and 1/8

Step-by-step explanation:

6 0

3 years ago

Help ! Will mark brainliest

Burka [1]

The answer would be that she now has $530.40 in her account. The table has nothing to do with the question

8 0

3 years ago

Read 2 more answers

Pratap puri Row 22 miles down a river in two hours but the return trip took him 5 1/2 hours find the rate pratap Control in Stil

Natalija [7]

Answer:

x= 7.5 mile/h

y= 3.5 miles / h

Step-by-step explanation:

Given x and y

so, x+y = speed down river

and x-y= speed up river

using

travel time = distance / speed for each case;

we get;

22/x+y=2 ---(1)

and

22/x-y=5.5 -----(2)

Solving equations simultaneously

eq 1 gives

2x+2y=22 ---(3)

eq 2 gives

5.5x-5.5y=22 ----(4)

Multiply eq 3 by 2.75

==> 5.5x+5.5y=60.5 --- (5)

adding eq 4 with eq 5

==> 11x =82.5

==> x= 7.5 miles/h

put this value in eq 3

==> 2(7.5)+2y=22

==> 2y=22-19.8

==> 2y=7

==> y = 3.5

4 0

3 years ago

The line with gradient-4 which cuts the y axis at -2

Helen [10]

Answer:

• Considering the general equation of a line

$y = mx + b$

m is the gradient and b is the y-intercept.

Substitute:

${ \underline{ \underline{ \: \: y = - 4x - 2 \: \: }}}$

8 0

2 years ago

Find the equation of the sphere in standard form centered at (−6,10,5) with radius 5.

Dovator [93]

Answer:

The equation of the sphere in standard form is

$x^{2} +y^{2}+z^{2} +12 x-20 y-10 z+136=0$

Step-by-step explanation:

<u>Step 1</u>:-

The equation of the sphere having center and radius is

$(x-h)^{2} +(y-k)^{2} +(z-l)^{2} = r^{2}$

Given centered of the sphere is (-6,10,5) and radius r=5

$(x-(-6))^{2} +(y-10)^{2} +(z-5)^{2} = 5^{2}$

on simplification,we get

$using (a+b)^{2} =a^{2} +2 a b+b^{2}$

$using (a-b)^{2} =a^{2} -2 a b+b^{2}$

simplify , we get

$x^{2} +y^{2}+z^{2} +12 x-20 y-10 z+136=0$

8 0

3 years ago