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3 years ago

Can someone help out I’m confused.

Mathematics

2 answers:

iragen [17]3 years ago

8 0

Answer:

y=-2/5x-3

Step-by-step explanation:

the slope is m and the y intercept is b

Leto [7]3 years ago

4 0

Heyy the answer y= -2/5x-3

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Help due soon plss!!!!

Gelneren [198K]

Answer:

Cube=150cm^2

Triangular Prism=228ft^2

Step-by-step explanation:

Cube

$A=6a^2=6*5^2=150cm^2$

Triangular prism

Using these formulas

$A=2A_{B}+(a+b+c)h\\A_{B} =\sqrt{s(s*a)(s*b)(s*c)} \\s=\frac{a+b+c}{2}$

Solving for A

$A=ah+bh+ch+\frac{1}{2} \sqrt{-a^4+2(ab)^2+2(ac)^2-b^4+2(bc)^2-c^4} \\=6.5*11+5*11+6.5*11+\frac{1}{2} *\sqrt{-6.5^4+2*(6.5*5)^2+2*(6.5*6.5)^2-5^4+2*(5*6.5)^2-6.5^4} \\=228ft^2$

5 0

3 years ago

Is -1/4 a rational number

pav-90 [236]

Answer:

Yes.

Step-by-step explanation:

It can be expressed as a ratio and it is a fraction.

5 0

3 years ago

What’s the area of a circle with a diameter of 4

umka21 [38]

Answer:

$4\pi$ ≈ 12.57 units squared

Step-by-step explanation:

The area of a circle is denoted by: $A=\pi r^{2}$ , where r is the radius.

Remember that diameter is twice the radius, so since the diameter equals 4, we know that the radius r = 4/2 = 2.

Now, plug this in: $A=\pi *2^2=4\pi$

We can round 4pi to 12.57 units squared.

Hope this helps!

7 0

4 years ago

Read 2 more answers

Find the missing value to the nearest hundredth. sin __ = 8/15

Sedaia [141]

Sin32.23= 8/15. This is the answer. I checked on the calculator

3 0

3 years ago

Read 2 more answers

What is the value of x?

garik1379 [7]

Answer:

x=4

Step-by-step explanation:

3 0

3 years ago