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3 years ago

ILL GIVE BRAINLIEST 20 POINTS HELP PLEASE

Mathematics

2 answers:

vitfil [10]3 years ago

6 0

2450 is the correct answer because if you multiply 3500 x .70 then you get 2450. Hope this helped

adell [148]3 years ago

5 0

Answer:

2450 is the correct answer

multiply 3500 x .70

=2450.

Step-by-step explanation:

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natulia [17]

4. 4
5. 76.5
6. 13.5
7. 101.2

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3 years ago

What is the equation of the line in slope intercept form?

Sladkaya [172]

Answer:

y=3/5x+3

Step-by-step explanation:

The y-intercept which is the (+3) is taken from where the line crosses the y-axis.

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7 0

3 years ago

Someone help ASAP!!!!!!

Alchen [17]

Answer:

Length, l = 11 ft.

Width, w = 9 ft.

Step-by-step explanation:

From the given data, the area of the rectangle = 99 ft².

Area of the rectangle = Length, l X Width, w

Here, Length, l = 7 more than twice the width

⇒ Length, l = 7 + 2w

Therefore, Area, A = 99 = (7 + 2w)w

⇒ 99 = 7w + 2w²

⇒ 2w² + 7w - 99 = 0

Solve the Quadratic equation using the formula: x = $\frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$ for the quadratic equation ax² + bx + c = 0.

Therefore, w = $\frac{-7 \pm \sqrt{7^2 -4(2)(-99)}}{2(2)}$

$= \frac{-7 \pm \sqrt{49 + 8(99)}}{4}$

$= \frac{-7 \pm + \sqrt{841}}{4}$

Since, $\sqrt{841} = 29$ we get:

$w = \frac{-7 \pm 29}{4}$

This gives two values of 'w', viz., w = $\frac{-7 - 29}{4}$ , $\frac{-7 + 29}{4}$

$\implies w = \frac{22}{4}, \frac{-36}{4}$

⇒ w = $\frac{22}{4}$ , -9.

We take the integer values.

If w = -9, then l = 2(-9) + 7

⇒ l = - 18 + 7 = - 11

Therefore, the length, l of the rectangle = - 11 ft.

and the width, w of the rectangle = - 9 ft.

Hence, the answer.

3 0

3 years ago

Which equation defines the graph of y=x^2 after it is shifted vertically 3 units down and horizontally 2 units left?

erik [133]

Answer:

$(x-2)^{2}$ - 3

6 0

4 years ago

Please help me im d-mb

pickupchik [31]

Answer:

5621 years

Step-by-step explanation:

Plug everything in first.

$N=N_0e^{-kt}\\\\\implies 0.57 = e^{-0.0001t}\\\\\implies\ln \left(0.57\right)=-0.0001t\\\\t=-\frac{\ln \left(0.57\right)}{0.0001}$

Round to closest amount of years = 5621 years

8 0

3 years ago