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Shtirlitz [24]
3 years ago
12

4 children want to share 10 submarine sandwiches so that everyone gets the same amount. How much can each child have?​

Mathematics
1 answer:
kifflom [539]3 years ago
4 0

Answer:

Each kid will get 2.5 submarine sandwiches

Step-by-step explanation:

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Please help on my math problem
sertanlavr [38]

Answer:

Option A, πr^2h

Step-by-step explanation:

V=πr^2h

Answer:  Option A, πr^2h

8 0
3 years ago
(x+5)(x-4)(x+2) is identical to x^3+ax^2
nikdorinn [45]

Answer:

a = 3

Step-by-step explanation:

Factorize (x+5)(x-4)(x+2)

(x+5)(x-4)(x+2)

=  (x²-4x+5x-20)(x+2)

= (x²+x-20)(x+2)

= (x³+2x²+x²+2x-20x-40)

= x³+3x²-18x -40

Compare with x^3+ax^2

3x² = ax²

3 = a

Rearrange

a = 3

Hence the value of a that makes the expressions identical is 3

4 0
3 years ago
Evaluate the function for an input value of 3. f(x)= −4x 2 −3x−5
Serhud [2]

Answer:

- 50

Step-by-step explanation:

x = 3

f ( x ) = - 4x^2 - 3x - 5

f ( 3 )

= - 4 ( 3 )^2 - 3 ( 3 ) - 5

= - 4 ( 9 ) - 3 ( 3 ) - 5

= - 36 - 9 - 5

= - 50

5 0
3 years ago
So far, Carmella has collected 14 boxes of baseball cards. There are 315 cards in each box. Carmella estimates that she has abou
Ratling [72]

Answer:

4410 cards, 9 albums

Step-by-step explanation:

Number of cards in a box = 315

Number of boxes = 14

b) Total number of cards =  Number of boxes × Number of cards in 1 box

=315\times 14 = 4410

a) Carmella estimated she had 3,000 cards so she bought a 6 album of 500 cards.

No, 6 albums are not enough as she estimated wrong number of cards. There are total of 4410 cards but she estimated it to be 3000 cards.

c) Total number of albums required = \displaystyle\frac{\text{Total number of cards}}{\text{Number of card 1 album can hold}}

=\frac{4410}{500} = 8.82 \approx 9

Thus, she will require 9 albums to put all her cards.

7 0
3 years ago
I WILL GIVE BRAINLIEST TO CORRECT ANSWER
STatiana [176]
<h2>Answer:</h2><h3><em>y = -1x - 9</em></h3><h2>Explanation:</h2>

First, we’ll need to find the <u>slope</u>.

(-5,-4) (-2,-7)

m = \frac{y_{2} - y_{1} }{x_{2} - x_{1} }

m = \frac{-4 - (-7)}{-5-(-2)}

m = \frac{-3}{3}

m = -1

Next, substitute these values into the <u>point slope equation:</u>

y - y_{1} = m(x - x_{1})

y - (-7) = -1(x - (-2))

y + 7 = -1(x + 2)

Now, convert to <u>slope intercept form (y = mx + b):</u>

y + 7 = -1x -2

  -7           -7

y = -1x - 9

4 0
3 years ago
Read 2 more answers
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