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2 years ago

Use the distributive property to expand this expression: 5(b - 3) =

Mathematics

1 answer:

LUCKY_DIMON [66]2 years ago

7 0

Answer:

5(b-3)

=(5)(b+-3)

=(5)(b) +(5) (-3)

=5b-15

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If q(x)=7x^2-1 find q(-9)

liq [111]

For this, we are just going to plug in -9 for every x and then solve the equation:

$q(x)=7x^{2} -1$

$q(-9)=7(-9)^{2} -1$

$q(-9)=7(81)-1$

$q(-9)=566$

Now we know that q(-9) is equal to 566.

3 0

3 years ago

Refer to the figure below to complete the following item,

Aloiza [94]

Answer:

50 degrees

Step-by-step explanation:

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2 years ago

0 ) Dan bought 7 new baseball trading cards to add to his collection. The next

harina [27]

Dan started with 69 cards

Step-by-step explanation:

Let x be the initial number of cards

Then

According to "Dan bought 7 new baseball trading cards to add to his collection"

$x+7$

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$\frac{1}{2}(x+7)$

There are now only 38 cards left.

$\frac{1}{2} (x+7) = 38$

Multiplying both sides by 2

$x+ 7 = 38*2\\x+7 = 76$

Subtracting 7 from both sides

$x+7-7 = 76-7\\x = 69$

Hence,

Dan started with 69 cards

Keywords: Linear equation, word problems

Learn more about linear equations at:

#LearnwithBrainly

4 0

3 years ago

HELP

evablogger [386]

Answer:

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Step-by-step explanation:

357,000.00 x .09 = $32,130.00

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2 years ago

A man gathers nuts in a forest. Each time he finds a nut, there is a 20% chance it is a pecan and a 35% chance it is a walnut.

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Either a pecan or walnut means you add the probabilities together

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2 years ago