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bearhunter [10]
3 years ago
11

Help plz I will giv brainliest if it's right

Mathematics
1 answer:
RoseWind [281]3 years ago
7 0
Answer:

d=90

e=39

f=141
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Does anyone know the answer 2=10-4y;2
LekaFEV [45]

Answer:

y = 2

Step-by-step explanation:

2 = 10 - 4y

Subtract 10 from both sides;

-8 = -4y

Divide both sides by -4

y = 2

8 0
3 years ago
At a sale, dresses were sold for $192 each. This price was 96% of the dress's original price. How much did a dress originally co
blondinia [14]

Answer:

$199.68

Step-by-step explanation:

You would have to find 4% of 192.

That is 7.68.

192+7.68=199.68.

5 0
3 years ago
Find the values of P for which the quadratic equation 4x²+px+3=0?​
klasskru [66]
<h3><u>Correct Questions :- </u></h3>

Find the values of P for which the quadratic equation 4x²+px+3=0 , provided that roots are equal or discriminant is zero .

<h3><u>Solution</u>:- </h3>

Let us Consider a quadratic equation αx² + βx + c = 0, then nature of roots of quadratic equation depends upon Discriminant (D) of the quadratic equation.

For equal roots

  • D = 0

\quad\green{ \underline { \boxed{ \sf{Discriminant, D = β² - 4αc}}}}

So,

\sf{  β² - 4αc = 0}

Here,

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  • β = p
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Now,

\begin{gathered}\implies\quad \sf  p²- 4 \times 4 \times 3 =0 \end{gathered}

\begin{gathered}\implies\quad \sf  p²- 48 =0 \end{gathered}

\begin{gathered}\implies\quad \sf  p²=48\end{gathered}

\begin{gathered}\implies\quad \sf  p=±\sqrt{48}\end{gathered}

\begin{gathered}\implies\quad \sf  p=±\sqrt{2 \times 2 \times 2 \times 2 \times 3} \end{gathered}

\begin{gathered}\implies\quad \sf  p=± 2\times 2\sqrt{ 3 }\end{gathered}

\begin{gathered}\implies\quad \boxed{\sf{p=±4\sqrt{ 3 }}}\end{gathered}

Thus, the values of P for which the quadratic equation 4x²+px+3=0 are-

4√3 and -4√3.

7 0
2 years ago
HELP ASAP ITS WORTH 22 POINTS PLZ.​
Anarel [89]

Answer:

J---

Step-by-step explanation:

If she made 1 Dozen (12) and he kids ate 3, (12-3= 9), she needs to make how many more cupcakes, and since we can use a variable, c + 9 = 24 (Because she promised to bring 24------She would need to make 15 more cupcakes)

7 0
3 years ago
Read 2 more answers
1. Find the product of 2.6 x 107 and 6.3 x 16
qaws [65]

Answer:

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Step-by-step explanation:

2.6 x 107=278.2

6.3 x 16= 100.8

278.2x100.8=28'042.56

7 0
3 years ago
Read 2 more answers
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