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3 years ago

A bat and a baseball costs $1.10. the bat costs $1 more than the ball. how much does the ball cost?

Mathematics

1 answer:

Basile [38]3 years ago

5 0

Answer: 0.10

Step-by-step explanation:

because u said that the bat was 1.00 more than the ball so the ball would be 0.10

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Laura buys an unfair coin online. The coin is supposed to land heads up 75% of the time. If this is true, what is the

Archy [21]

Answer:

C . (0.75) 15 x (0.25) 5

Step-by-step explanation:

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3 years ago

(6x^3+13x^2+8x+11)/(3x+5)

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2 years ago

Determine the vertex of the function f(x) = 3x2 – 6x + 13. 1. Identify the values of a and b. a = and b = 2. Find the x-coordina

Sveta_85 [38]

F(x)=3x²-6x+13
a=3, b=-6, c=13
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when x=1, y=3(1)²-6(1)+13=10
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answers are in bold.

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3 years ago

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When the price of a dozen eggs is raised by$2.4, 15 fewer eggs can be bought with $60

boyakko [2]

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High grade steel consists of 85% iron and 15% magnese. Low grade steel consists of 67% iron and 33% mag ese. NASA orders 500 ton

Mamont248 [21]

Answer:

$361\dfrac{1}{9}$ tons of high steel and $138\dfrac{8}{9}$ tons of low steel

Step-by-step explanation:

Let x be the number of tons of high grade steel and y be the number of tons ow low grade steel needed.

In x tons of high grade steel there are

$0.85x$ tons of iron

$0.15x$ tons of magnese

In y tons of low grade steel there are

$0.67y$ tons of iron

$0.33y$ tons of magnese

NASA orders 500 tons of steel, so

$x+y=500$

and specifies that it must be in the proportion 80% iron and 20% magnese, so

$0.85x+0.67y=500\cdot 0.8\\ \\0.85x+0.67y=400$

From the first equation,

$x=500-y$

Substitute it into the second equation:

$0.85(500-y)+0.67y=400\\ \\425-0.85y+0.67y=400\\ \\-0.18y=-25\\ \\y=\dfrac{2,500}{18}=138\dfrac{8}{9}\ tons\\ \\x=361\dfrac{1}{9}\ tons$

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3 years ago