3 years ago

Can someone help me with this question please?

Mathematics

2 answers:

Svetlanka [38]3 years ago

7 0

Answer: 294 Cubic Inches.

Step-by-step explanation:

Since there are 42 squares for the first layer and 7 layers, with 1 inch length, it would be 49x7, which is 294.

Bond [772]3 years ago

4 0

Use a website called math celebrity.com

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Please include work!

aleksandrvk [35]

Answer:

A) y = x^2 -1

B) -y = 2x^2 +1 We multiply B) by -1

B) y = -2x^2 -1

We can then say x^2 -1 = -2x^2 -1

3 x^2 = 0

x = 0

************* Double-Check: ******************

Equation A) y = -1 and

Equation B) y = -1

Step-by-step explanation:

5 0

4 years ago

What is 0.63 repeating as a fraction in simplest form

Sergeeva-Olga [200]

The simplest form is 63/100 <span />

3 0

3 years ago

Help asap pls -=-=-=-=--------------

bixtya [17]

Answer:

-1/3

Step-by-step explanation:

at x=0 y= 5

at x=3 y= 4

y=ax+b

b= 5

4=3x+5

3x= -1

x= -1/3

$y = - \frac{x}{3} + 5$

5 0

3 years ago

Simplify..............

Neporo4naja [7]

(2x² + 7x + 10) - (x² + 2x - 9) =
2x² + 7x + 10 - x² - 2x + 9 =
x² + 5x + 19

6 0

4 years ago

Read 2 more answers

What is the area of a sector with a central angle of \frac{5 \pi }{6} radians and a diameter of 5.6 in.? Use 3.14 for π and roun

kvasek [131]

Answer:

10.26 in²

Step-by-step explanation:

The area (A) of the sector is

A = area of circle × fraction of circle

= πr² × $\frac{\frac{5\pi }{6} }{2\pi }$

= π × 2.8² × $\frac{5}{12}$ ≈ 10.26 in²

7 0

3 years ago

Can someone help me with this question please?​

Can someone help me with this question please?