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hram777 [196]
3 years ago
9

Greyson is planning to lay a brick driveway which will be made up of 84 rows of 14 bricks per row He also lay a backyard patio w

ith 25 rows of 31 bricks per row how many pallets of bricks should Greyson order if each pellets has 1,000 bricks
Mathematics
1 answer:
vaieri [72.5K]3 years ago
7 0
He should order 2 pellets.
To get the answer take 84 times 14 = 1,176
Then take 25 times 31 = 775
Then add 1,176 and 775 and you get 1,951 and that is just less then 2,000 which would mean you need two pellets
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Boris invested his savings in two investment funds. The $12,000 that he invested in fund a returned a 6% profit the amount that
Sedbober [7]

Answer:

$4000

Step-by-step explanation:

Let B represent amount invested in account 'b'.  

We have been given that an amount of $12,000 that Boris invested in fund a returned a 6% profit.

So the profit earned from fund 'a' would be 12,000\times\frac{6}{100}=12,000(0.06).

We are also told that the amount that he invested in fund b returned at 2% profit. So the profit earned from fund 'b' would be B\times\frac{2}{100}=B(0.02)=0.02B.

Further, both funds together returned a 5%. We can represent this information as:

(12,000+B)\times\frac{5}{100}=0.05(12,000+B)

Now, we will equate profit earned from account 'a' and 'b' with profit earned from both accounts as:

12,000(0.06)+0.02B=0.05(12,000+B)

720+0.02B=600+0.05B

600+0.05B=720+0.02B

600-600+0.05B=720-600+0.02B

0.05B=120+0.02B

0.05B-0.02B=120+0.02B-0.02B

0.03B=120

\frac{0.03B}{0.03}=\frac{120}{0.03}

B=4000

Therefore, Jason invested $4000 in fund 'b'.

4 0
3 years ago
What is the answer to this problem worked out in simplest form? X + 9y = 18
stealth61 [152]
 solve for x.

x+9y=18

Add -9y to both sides.

x+9y+−9y=18+−9y

x=−9y+18



solve for y.

x+9y=18

Add -x to both sides.

x+9y+−x=18+−x

9y=−x+18

Divide both sides by 9.

9y/9=−x+18/9

y=−1/9x+2

6 0
3 years ago
How do I graph the following set {x is an even number, -1≤x<12}
liubo4ka [24]

Step-by-step explanation:

Use this sort of layout, but where x will be an odd number, do not shade it. there should be a pattern of shaded segments followed by unshaded segments repeating

3 0
2 years ago
Explain how to evaluate a[(b-c) divided by d] -f if u were given values for a, b, c, d, and f. How would u evaluate the expressi
Goshia [24]
I actually do not  know but I will come back
7 0
3 years ago
The Tower of Pisa is well known worldwide for how it leans,
ivann1987 [24]

Answer:

The tower is approximately 57.34 meters long

Step-by-step explanation:

The given parameters are;

The type of triangle formed by ΔABC = Non-right triangle

The measure of ∠ACB = 55°

The horizontal displacement of the tower, BX = 5 m

The length of BC = 45 m

Therefore, we have;

Triangle ΔABC type = Right triangle

By the tangent to an acute angle, θ, in a right triangle, we have;

Tan(\theta) = \dfrac{Opposite \, side \  length}{Adjacent\, side \ length}

Where θ is the 55°, we have angle, we have;

Tan(55^{\circ}) = \dfrac{XA}{XC}

BC = BX + XC

∴ XC = BC - BX

XC = 45 m - 5 m = 40 m

\therefore Tan(55^{\circ}) = \dfrac{XA}{40}

XA = 40 × tan(55°) ≈ 57.126

The type of triangle formed by ΔABX = Right triangle

According to Pythagoras theorem, AB² = XA² + BX²

∴ AB = √((40 × tan(55°))² + 5²) ≈ 57.34

The length of the tower, AB ≈ 57.34 m

6 0
3 years ago
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