3 years ago

Using the letters suggested, construct a simple formula:

Mathematics

1 answer:

kompoz [17]3 years ago

8 0

Answer:

Speed = distance / time

Time = distance/ Speed

Distance = Speed x time

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What conditions make a pair of triangles congruent

Artemon [7]

Two corresponding sides and two corresponding angles are congruent.

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3 years ago

Find the coordinates of the vertex of the following parabola algebraically. Write your answer as an (x,y)(x,y) point.

Serga [27]

Answer:

(8,-3)

Step-by-step explanation:

The given parabola is

$y = - 3 {x}^{2} + 48x - 195$

We factor -3 from the first two terms to get:

$y = - 3( {x}^{2} - 16x) - 195$

Add and subtract the square of half the coefficient of x

$y = - 3( {x}^{2} - 16x + 64) + 3 \times 64- 195$

$y = - 3 {(x - 8)}^{2} + 192 - 195$

We simplify to get:

$y = - 3 {(x - 8)}^{2} - 3$

We compare this to y=a(x-h)²+k,

The vertex is (h,k)=(8,-3)

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3 years ago

In the definition of fractional numbers, b ≠ 0. Why?

Nataliya [291]

I have no idea. Just commenting to get the answer when someone else knows it

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3 years ago

Shirley spelled 12 of her 16 spelling words correctly on the test. What percent grade did shirley get on the test

Black_prince [1.1K]

Answer:

75%

Step-by-step explanation:

percent = part/whole * 100%

percent = 12/16 * 100%

percent = 0.75 * 100%

percent = 75%

Answer: 75%

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3 years ago

Hayden brought 18 new trading cards. Three-fourths of the new cards are baseball cards. How many baseball cards did Hayden buy

marshall27 [118]

<span>He bought 36 baseball cards. Since 3/4 of the 48 cards are baseball cards, you need to find 75% of 48, which is 36 cards. </span>

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3 years ago