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olchik [2.2K]
3 years ago
7

A. Which department gets approximately one-fourth of the annual budget?

Mathematics
1 answer:
nadezda [96]3 years ago
6 0

Answer:

A. Sales

B. thirty percent

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Jayden and Chandra are cleaning the house. It has 12 rooms, and each room is about the same size. When Jayden cleans by himself,
madam [21]
We know that

Jayden cleans 12 rooms in---------------> <span>6 hours
 X rooms-------------------------------------> 4 hours
X=4*12/6--------> 48/6---------> 8 rooms
that means  </span>Jayden  cleans in 4 hours 8 rooms

Chandra cleans 12 rooms in---------------> 12 hours
 X rooms-------------------------------------> 4 hours
X=4*12/12--------> 48/12---------> 4 rooms
that means Chandra  cleans in 4 hours 4 rooms

the answer is
<span>Jayden = 8 blankrooms
</span><span>Chandra = 4 blankrooms</span>
6 0
3 years ago
A baker purchased 10 lb of wheat flour and 13 lb of rye flour for a total cost of $17.40. A second purchase, at the same prices,
fiasKO [112]

wheat = $0.96 lb rye = $1.89 lb

12w + 15r = 3987 15w + 10r = 3330 r = (3330 - 15w)/10 12w + 15r = 3987 12w + 15((3330 - 15w)/10) = 3987 12w + (15/10)(3330 - 15w) = 3987 12w + 4995 - 22.5w = 3987 10.5w = 1008 w = 96 cents r = 189 cents.

Hope this helps mate

8 0
3 years ago
Who wants to help me on question 41. I don't understand what it means when it says "label a net".
Novosadov [1.4K]
A net is basically a flattened out 3D solid. If you fold all the sides up, you would end up with the 3D model.

5 0
2 years ago
Read 2 more answers
What does y=1\4X-5 equal
Tema [17]

Answer:

y= -5/4

Step-by-step explanation:

download a app called math papa. it's a great cheat cheat for these types of problems

8 0
3 years ago
) The density of oil in a circular oil slick on the surface of the ocean at a distance of r meters from the center of the slick
Feliz [49]

Answer:

Therefore the mass of the of the oil is 409.59 kg.

Step-by-step explanation:

Let us consider a circular disk. The inner radius of the disk be r and the outer diameter of the disk be (r+Δr).

The area of the disk

=The area of the outer circle - The area of the inner circle

= \pi (r+\triangle r)^2- \pi r^2

=\pi [r^2+2r\triangle r+(\triangle r)^2-r^2]

=\pi [2r\triangle r+(\triangle r)^2]

Since (Δr)² is very small, So it is ignorable.

∴A=2\pi r\triangle r

The density \delta (r)= \frac{40}{1+r^2}

We know,

Mass= Area× density

        =(2r \pi \triangle r)(\frac{40}{1+r^2}})

Total mass M=\sum_{i=1}^n \frac{80r_i\pi }{1+r^2}\triangle r_i

Therefore

\sum_{i=1}^n \frac{80r_i\pi }{1+r^2}\triangle r_i=\int_0^5 \frac{80r\pi }{1+r^2}dr

                      =40\pi[ln(1+r^2)]_0^5

                      =40\pi [ln(1+5^2)-ln(1+0^2)]

                     =40\pi ln(26)

                     = 409.59 kg (approx)

Therefore the mass of the of the oil is 409.59 kg.

3 0
2 years ago
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