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Softa [21]
3 years ago
10

Help needed ASAP will give BRAINLIEST

Mathematics
2 answers:
Natali [406]3 years ago
8 0
It will be B.- $18.00
dem82 [27]3 years ago
5 0
Hourly pay of 18 dollars
You might be interested in
Find the surface area of the shape below.
Korvikt [17]

Answer:

A=384 cm^{2}

Step-by-step explanation:

A =2(wl+hl+hw)

A=2(8*8+8*8+8*8)

A=2(64+64+64)

A=2(192)

A=384

8 0
3 years ago
What is the greatest common factor of 54 and 45
expeople1 [14]

45 = 3×3×5

54 = 2×3×3×3

Two number : 3,3

So, the GCD of 45,54 is 3×3= 9

8 0
4 years ago
NEED ANSWERS PLEASEEE! PROGRESS REPORTS GO IN SOON.
dlinn [17]

Answer:

1. they both are the same length and diameter, the difference is thw diameter is a different direction.

2. 4 cm

3. EB and 8 cm

Step-by-step explanation:

Diameter is the length of the circle aross, hope this helps!

8 0
3 years ago
There are a total of 63 bikes, if ratio of blue bikes to Black is 4 to 5 how many bikes are blue
Alexus [3.1K]

Answer:

28 bikes are blue

Step-by-step explanation:

Set up the ratio:

Blue : Black

4 : 5

Find the total # of bikes in the ratio:

4 + 5 = 9

Find the relationship between 63 and 9:

63/9 = 7

Multiply both sides of the ratio by 7:

4(7) = 28

5(7) = 35

28 : 35

Therefore, the number of blue bikes is 28.

5 0
3 years ago
H(x) = x4+ 2x3- 10x2 -18x+9
vichka [17]
Let's group the cubic function: h(x)=x^4+2x^3-10x^2-18x+9=(x-3)(x+3)(x^2+2x-1).

The first two roots are \pm3 however to find the last two roots we need to solve the square equation:

x^2+2x-1=0
\\D=b^2-4ac=2^2-4\cdot1\cdot(-1)=8. Now we know the discriminator, using the discriminator we're able to find the roots of the equation: x_{1,2}=\frac{-b\pm\sqrt{D}}{2a}=\frac{-2\pm\sqrt{8}}{2}=\frac{-2\pm2\sqrt{2}}{2}=\frac{2(\sqrt{2}\pm1)}{2}. The roots of the square equation are x_{1}=-1-\sqrt{2} and x_{2}=\sqrt{2}-1.

The roots of the cubic function are \pm3, -1-\sqrt{2} and \sqrt{2}-1.
5 0
3 years ago
Read 2 more answers
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