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1 year ago

I need help with this please

Mathematics

1 answer:

telo118 [61]1 year ago

7 0

I'M NOT TAKING THE POINTS I PROMISE

is there any way you can tell me which question you need help on? i can even explain it!! just comment and let me know, please !!!! i'm not sure what you are asking and what the problems are asking. lots of love i reply to this plssss

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What is the value of x?

Aleonysh [2.5K]

Answer:

x = 6

Step-by-step explanation:

We have to make the bottom eqivilent to the top.

10 + 30 = 40

5 x 6 = 30

10 + 30 = 40

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3 years ago

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For what values of does the equation (2 + 1)^2 + 2 = 10 − 6 have two real and equal roots?

Tatiana [17]

Answer:

(2 + 1)^2 + 2 = 10 - 6

Falso

Step-by-step explanation:

109 / 5000

El lado izquierdo

no es igual al lado derecho

, lo que significa que la declaración dada es falsa.

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2 years ago

If money in a savings account earned 8% interest per annum, how much nterest would be earned on $150.00 over three years?

Pani-rosa [81]

Answer:

$36

Step-by-step explanation:

Given :

Interest rate, r = 8% = 0.08

Principal, P = 150

Time, t = 3 years

Simple interest = (principal * rate * time)

Simple interest = (150 * 0.08 * 3)

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3 years ago

HURRY HELP ME PLEASE

LuckyWell [14K]

Answer:

c maybe

Step-by-step explanation:

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3 years ago

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What is the surface area of this triangular prism rounded to the nearest tenth? A) 48.6km2 B) 63.4 km2 C) 72.6 km2 D) 84.4 km2

Mekhanik [1.2K]

Correct option B) $63.4km^2$ .

<u>Step-by-step explanation:</u>

We have the following figure attached as shown below.

Now, this triangular prism have 2 similar right angled surfaces and 3 rectangular surfaces , Let's calculate area for all of them:

2 similar right angled surfaces

We know that area of triangle = $\frac{1}{2} b(h)$

⇒ $area = \frac{1}{2} b(h)$

⇒ $area = \frac{1}{2} (3.6)(7.7)$

⇒ $area = 13.86km^{2}$

But there 2 such surfaces so , $area = 2(13.86) = 27.72km^2$

3 rectangular surfaces

Area of rectangle = $length(breadth)$

⇒ $area_1 = 3.6(1.8)$

⇒ $area_1 = 6.48km^2$

⇒ $area_2= 7.7(1.8)$

⇒ $area_2 = 13.86km^2$

⇒ $area_3 = 8.5(1.8)$

⇒ $area_2 = 15.3km^2$

Total area = $6.48 + 13.86 + 15.3 = 35.64km^2$

Adding area of 2 similar right angled surfaces & 3 rectangular surfaces:

$Area = 27.72+35.64 = 63.36km^2$ = $63.4km^2$

Correct option B) $63.4km^2$ .

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3 years ago

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