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3 years ago

Find the Lateral and Surface Area 10 cm H60%

Mathematics

1 answer:

Anna11 [10]3 years ago

7 0

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I am not sure about any of my answers and I don’t know how to find the range for question b or the slope for question c.

myrzilka [38]

Answer:

a) is correct

b) y = -a(x - 2.5)² + h

(5.5,0)

0 = -a(5.5-2.5)² + h

h = 9a

a = h/9

48 = -a(0-2.5)² + h

h = 48 + 6.25a

h = 48 + 6.25(h/9)

h = 157.0909090681

Range: [0,157]

c) (80-144)/(4.5-3)

= -42⅔ or -42.67

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3 years ago

Which of the following expressions are equivalent to 30 - 8x - 6 - 5x?

olganol [36]

I think it's the 2 one I'm 76 percent sure

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3 years ago

I need help on Area plz

nydimaria [60]

Answer:139 cm squared

Step-by-step explanation:

First separate it:

10x3

7x7

4x15

These are the 3 rectangles that make up this shape

Then multiply

10x3=30

7x7=49

4x15=60

Then add your answers

30+49+60=139cm squared

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3 years ago

What is 15/4 as a mixed number?

max2010maxim [7]

It would be: 15/4 = 3 3/4

In short, Your Answer would be 3 3/4

Hope this helps!

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3 years ago

Samantha sends her son, Barry, to a preschool center on certain days. The cost of preschool is $45 per day along with a fixed mo

Travka [436]

Answer: Option D

D. $880 = 45d + 70$ ; $18\ days$

Step-by-step explanation:

We know that the cost of preschool is $ 45 per day plus a monthly fee of $ 70.

We also know that a total of $ 880 was paid last month

To write an equation that represents this situation, let us call "d" the number of days that Barry attends school

So the cost was:

$45d + 70 = 880$

Now we solve the equation for the variable d

$45d= 880-70$

$d= \frac{810}{45}$

$d= 18\ days$

Therefore answer is the option D

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3 years ago

Find the Lateral and Surface Area 10 cm H60%​

Find the Lateral and Surface Area 10 cm H60%