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Y_Kistochka [10]
3 years ago
13

Please help. I just am I bit confused..

Mathematics
1 answer:
8_murik_8 [283]3 years ago
8 0

Answer:

add tjem all up and fid the outnumber one

Step-by-step explanation:

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Can a mathematician assist?<br><br> explain how 1.2e4/6e-2 = 2^5 in-depth
Sonbull [250]
\dfrac{1.2\times10^4}{6\times10^{-2}}=\left(\dfrac65\times10^4\right)\left(\dfrac16\times10^2\right)=\dfrac15\times10^6=0.2\times10^6=2\times10^5
4 0
4 years ago
thanh bought 11 pieces of fruit and spent $5.60. if apples cost $0.60 each and pairs cost $0.35 each. how many of each kind of f
son4ous [18]

Answer:

The number of apples bought was 7 and the number of pears bought was 4

Step-by-step explanation:

<u><em>The correct question is</em></u>

Thanh bought 11 pieces of fruit and spent $5.60. If apples cost $0.60 each and pears cost $0.35 each, how many of each kind of fruit did he buy?

Let

x ---->the number of apples bought

y ----> the number of pears bought

we know that

Thanh bought 11 pieces of fruit

so

x+y=11 ----> equation A

apples cost $0.60 each and pears cost $0.35 each and Thanh spent $5.60

so

0.60x+0.35y=5.60 ----> equation B

Solve the system of equations by graphing

Remember that the solution is the intersection point both graphs

Using a graphing tool

The solution is the point (7,4)

see the attached figure

therefore

The number of apples bought was 7 and the number of pears bought was 4

5 0
3 years ago
A)Work out an estimate for the mean time it took the students.Round your answer to 2 significant figures.
Savatey [412]
B is the correct answer
7 0
3 years ago
two points on the line are (-10,1) and (5,-5).if the coordinate of another point on the line is -3,what is the x-coordinate?​
zlopas [31]

Answer:

x-coordinate = 0

Step-by-step explanation:

(-10,1) , (5,-5)

m = (y₂ - y₁)/(x₂ - x₁) = ( -5 - 1 ) / ( 5 - [-10] )

   = -6 / ( 5 + 10)

    = -6/15 = -2/5

y - y₁  = m (x - x₁)

y - 1 = (-2/5) ( x - [-10] )

y - 1 = (-2/5) ( x + 10 )

5 * (y -1)  = -2 (x + 10)

5y - 5 = -2x -20

2x + 20 + 5y  -5 = 0

2x + 5y + 15 = 0

Another point (a, -3) in on this line

2 * a + 5 * (-3) = -15

          2a -15    = -15

                  2a  = -15 +15

                 2a =  0

                    a = 0

x-coordinate = 0

6 0
3 years ago
I need help with math work!!
Akimi4 [234]

Answer:

(g-h)=x^2+5-8-x

=x^2-x-3

(g-h)(-9) means x= -9

x^2-x-3

=(-9)^2-(-9)-3

=81+9-3

=90-3

=87

4 0
3 years ago
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