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Mazyrski [523]
3 years ago
12

When you type your brainly password it sensors it out ********** I just tried, I never knew

Mathematics
1 answer:
larisa [96]3 years ago
3 0

Answer:

lol i remember answering this question

Step-by-step explanation:

<h2>MARK ME BRAINLIEST PLZZZZZZZZZZZZZZZZZZZZZZ</h2>
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Make sure your answer is in simplest form and improper fractions are expressed as mixed numbers.
Anni [7]
The answer is:
8/9 pound of raisins that the baker used
(I just divided the two)
Hope This Helps!!
:)
3 0
2 years ago
Read 2 more answers
If a tuning fork vibrates at 120 times per second, how long does it take for 1 vibration?​
SVEN [57.7K]

Answer:

120÷1

Step-by-step explanation:

it would be 120 milla secounds

5 0
3 years ago
Find SP where MP=Rs875 and discount =Rs75
liraira [26]

Answer:

SP is Rs 800.

Step-by-step explanation:

MP = Rs 875

Discount = Rs 75

so

SP = MP - discount

= Rs 875 - Rs 75

= Rs 800

4 0
2 years ago
PLEASE HELP
laila [671]
<h3><u>Option A</u></h3>

4 x^{2}+32 x-80=0 is the required equation to calculate width of rectangular frame that has a total area of 140 square inches.

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

Given that,

Length of a rectangular frame is given as 2x + 10

Width of the rectangular frame is given as 2x + 6

Total area = 140 square inches

<em><u>The area of rectangular frame is given as:</u></em>

\text {area of rectangle}=\text {length } \times \text {width}

Plugging in values, we get

\begin{array}{l}{(2 x+10)(2 x+6)=140} \\\\ {4 x^{2}+12 x+20 x=80} \\\\ {4 x^{2}+32 x-80=0}\end{array}

This is the required equation to calculate width of rectangular frame

Solve the above quadratic equation to get the value of "x"

4 x^{2}+32 x-80=0

<em><u>Use the quadratic equation formula:</u></em>

x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}

Here a = 4 ; b = 32 ; c = -80

x=\frac{-32 \pm \sqrt{32^{2}-4(4)(-80)}}{2(4)}

x=\frac{-32 \pm \sqrt{2304}}{8}

x = 2 or x = -10

Now measurement cannot be negative, so taking the positve value of "x", we can calculate the width

So put "x" = 2

Width of the rectangular frame = 2x + 6 = 2(2) + 6 = 10

Thus the width of frame is 10 inches

4 0
3 years ago
A gym membership<br> charges an initial fee<br> of $150 then $20 per<br> month.
Vsevolod [243]

Answer:

n=150+20m

Step-by-step explanation:

we don't know how many months they're charging for, so we don't know the total of the amount.

7 0
3 years ago
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