2 years ago

WILL GIVE BRAINLST No hAVE A GOOD DAY

Mathematics

2 answers:

Oduvanchick [21]2 years ago

7 0

Answer:

b I checked and done it before

Simora [160]2 years ago

4 0

Answer:

Step-by-step explanation:

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(3x3 + 2x2 − 5x) − (8x3 − 2x2).

uranmaximum [27]

My answer -

-5x^3+4x^2-5x

P.S

Have an AWESOME!!! LBGT Day :)

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evablogger [386]

Answer:

Step-by-step explanation:

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Solve for (x) x+15=3x+5

dolphi86 [110]

Answer:

$x + 15 = 3x + 5 \\ 15 - 5 = 3x - x \\ 10 = 2x \\ \frac{10}{2} = \frac{2x}{2} \\ x = 5$

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8 0

2 years ago

What are the solutions for x when y is equal to 0 in the following quadratic

lawyer [7]

Answer:

D) x = -12 or x = 2

Step-by-step explanation:

The given quadratic equation is:

$y=x^2+10x-24$

When y=0, we obtain:

$x^2+10x-24=0$

We split the middle term with -2, 12 because their product is is -24 and their sum is 10.

$x^2-2x+12x-24=0$

We factor by grouping to obtain:

$x(x-2)+12(x-2)=0$

$(x-2)(x+12)=0$

Either $(x-2)=0$ or $(x+12)=0$

Either $x=2$ or $x=-12$

7 0

3 years ago

En una pension de perros hay tres perros que pesan 20kg 10kg y otro 5kg si se contempla que 70kg de alimento dura 2 meses¿que ca

aleksley [76]

Answer:

40kg

20kg

10kg

Step-by-step explanation:

The computation of the food each one is getting as follows

Total weights of all dogs

= 20 kg + 10 kg + 5kg

= 35 kg

And, the food is 70 kg

So, each one is getting

for 20 kg

= 70 ÷ 35 × 20

= 40 kg

For 10 kg

= 70 ÷ 35 × 10

= 20 kg

And, for 5 kg

= 70 ÷ 35 × 5

= 10 kg

7 0

2 years ago