2 years ago

Need help with the second one

Mathematics

1 answer:

BaLLatris [955]2 years ago

8 0

Answer:

B for both

Step-by-step explanation:

hope this helps :D ^^

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Evaluate f ( - 5 ) =

Firdavs [7]

Answer: −5

Step-by-step explanation:

simplify: (−5)

Re-order terms so constants are on the left:

(−5)f(−5)−5

6 0

2 years ago

Plz help!! Dont answer if you cant help

Nezavi [6.7K]

Answer:

94.88 cubic units

Step-by-step explanation:

Volume of the prism = Area of base * Height

$= 5( \frac{1}{2} \times 2.75 \times 4) \times 3.45 \\ \\ = 5 \times 2.75 \times 2 \times 3.45 \\ \\ = 10\times 2.75 \times 3.45 \\ \\ = 94.875 \\ \\ \approx 94.88 \: cubic \: units$

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3 years ago

Y=|x+2|-1<br><br> Y<0<br><br> Please help ASAP!

Montano1993 [528]

Answer:

x=-1

Step-by-step explanation:

x+2-1=0

-1+2=1

1-1=0

y=0

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2 years ago

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The boiling point of water is 212°F. What is this temperature in degrees Celsius? Use the formula C = 59(F – 32), where C repres

vampirchik [111]

Answer:

100

Step-by-step explanation:

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4 years ago

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As shown in the diagram of the right triangles below, Triangle: ABC ~ Triangle: DEF, AB = 7x, BC = 4, DE = 7, EF = x. What is th

charle [14.2K]

since triangles are similar

4/x = 7x/7

=》 4/x = x

=》x^2 = 4

=》 x = 2

for right triangles a^2 = b^2+c^2

DF^2 = 7^2+2^2 = 53

=》 DF = 7.28

perimeter of DEF = 7 +2+7.28 = 16.28

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3 years ago