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2 years ago

So what is this 6t + 4 s-2

Mathematics

1 answer:

sesenic [268]2 years ago

5 0

The answer would be S+6t+2

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Help! Perimeter problem!

love history [14]

Answer:

9.7

Step-by-step explanation:

If you see one side has the exact same numbers on the other side its the same thing from one end to the other

HOPE THIS HELPED

7 0

3 years ago

I have enought paint to cover 300 square feet of fance if the fance is 4 feet high, what length can i cover?

vredina [299]

Answer:

75 ft

Step-by-step explanation:

Area = 300 Sq ft

Height = 4ft

Length =?

Area =L xH

300 /4 =L

Length =75ft

8 0

3 years ago

Read 2 more answers

A small garden measures 9 ft by 13 ft. A uniform border around the garden increases the total area to 192 ft square. What is the

victus00 [196]

The width of border is 1.5 feet

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

Given that small garden measures 9 ft by 13 ft

A uniform border around the garden increases the total area to 192 ft square

To find: width of border

Let the width of border be "x"

Then the new measures of garden are (9 + 2x) feet and (13 + 2x) feet

The total area of garden = 192 square feet

$(9 + 2x)(13 + 2x) =192$

$117 + 18x + 26x + 4x^2 = 192\\\\4x^2 + 44x - 75 = 0$

<em><u>Let us solve the above equation by quadratic formula</u></em>

$\text {For a quadratic equation } a x^{2}+b x+c=0, \text { where } a \neq 0\\\\x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}$

Using the above formula,

For $4x^2 + 44x - 75 = 0$ , we have a = 4 ; b = 44 ; c = -75

Substituting the values of a = 4 ; b = 44 ; c = -75 in above quadratic formula we get,

$\begin{aligned}&x=\frac{-44 \pm \sqrt{44^{2}-4(4)(-75)}}{2 \times 4}\\\\&x=\frac{-44 \pm \sqrt{1936-1200}}{8}\\\\&x=\frac{-44 \pm \sqrt{3136}}{8}\\\\&x=\frac{-44 \pm 56}{8}\end{aligned}$

$\begin{aligned}&x=\frac{-44+56}{8} \text { or } x=\frac{-44-56}{8}\\\\&x=\frac{12}{8} \text { or } x=\frac{-100}{8}\\\\&x=1.5 \text { or } x=-12.5\end{aligned}$

Since "x" cannot be negative,

we get x = 1.5

Thus width of border is 1.5 feet

4 0

3 years ago

If a and b are independent events, p(a)=0. 20, and p(b)=0. 80, what is p(b|a)?.

goldfiish [28.3K]

Answer:

P(B | A) = 0.80

Step-by-step explanation:

For independent events A and B, P(B | A) = P(B)

Therefore, P(B | A) = 0.80

3 0

2 years ago

For questions 1- 3 find the exact sum or difference.

7nadin3 [17]

D, Because 7/15 + 9/15 is 16/15 + 4/15 =20/15 which equals 1 5/15 which turns into 1 1/3
A, 1/21 + 2/21 = 3/21 and that equals 1/7

C, 3/14+3/12 turns into 3/14+5/14= 10/14 - 8/14= 2/14=1/7

6 0

3 years ago

So what is this 6t + 4 s-2​

So what is this 6t + 4 s-2