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3 years ago

20% of 150 is what number?

Mathematics

1 answer:

Tatiana [17]3 years ago

6 0

The answer is 30 yahhhhhhhhhhh

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If Katarina runs at a pace of 5 mph, how many miles can she run in 4 hours? A. 22 miles B. 20 miles C. 21 miles D. 19 miles

Anvisha [2.4K]

Answer:

20 miles

Step-by-step explanation:

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3 years ago

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Help meFind the product of (3W + 10) (-2W + 5)

Allisa [31]

Answer:

-6w^2-5w+50

Step-by-step explanation:

1)multiply 3W into-2W and 5

2)multiply 10 into -2W and 5

3) combine like terms then sort answer in order

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3 years ago

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Find the surface area of this triangular prism.

vesna_86 [32]

Answer:

Step-by-step explanation:

A=Area

Using the formulas

$A= 2A_{b} +(a+b+c)h\\A_{b} = \sqrt{s(s-8)(s-10)(s-6)} \\s= \frac{8+10+6}{2}$

Solving for A

$A=ah+bh+ch+\frac{1}{2}*\sqrt{-a^4+2(ab)^2+2(ac)^2-b^4+2(bc)^2-c^4}$

$A=8(2)+10(2)+6(2)+\frac{1}{2}*\sqrt{-8^{4} +2*(8*10)^{2} +2*(8*6)^{2}-10^{4} +2*(10*6)^{2}-6^{4} }$ $A=96$

7 0

3 years ago

Sean b= 5,79; c= 10,4,el angulo A= 54,46°, el angulo C mide ?

Rzqust [24]

Answer:

$C \approx 91.732^{\circ}$

Step-by-step explanation:

(This exercise is presented in Spanish and for that reason explanation will be held in such language)

El lado restante se determina por la Ley del Coseno:

$a = \sqrt{b^{2}+c^{2}-2\cdot b\cdot c \cdot \cos A}$

$a = \sqrt{5.79^{2}+10.4^{2}-2\cdot (5.79)\cdot (10.4)\cdot \cos 54.46^{\circ}}$

$a \approx 8.466$

Finalmente, el angulo C se halla por medio de la misma ley:

$\cos C = - \frac{c^{2}-a^{2}-b^{2}}{2\cdot a \cdot b}$

$\cos C = -\frac{10.4^{2}-8.466^{2}-5.79^{2}}{2\cdot (8.466)\cdot (5.79)}$

$\cos C = -0.030$

$C \approx 91.732^{\circ}$

3 0

3 years ago

Help for brianilist please!!!

Dima020 [189]

Hi there!!!

So using this rule:

Area = base * height
20ft * 15ft = 300ft^2
↑ ↑
base height

HOPE IT HELPS U!!!!!!!!!
THE ANSWER IS 300 FT^2

~ TRUE BOSS

5 0

4 years ago