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sukhopar [10]
2 years ago
5

Please make this quick

Mathematics
1 answer:
AveGali [126]2 years ago
8 0

Answer:

27

Step-by-step explanation:

3x3+2x9=27

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Leo, Kush and Mai share some money in the ratio 3:5:8
Marta_Voda [28]

Answer:

The total amount of money that they shared is \£6,000

Step-by-step explanation:

Let

x-----> amount of money Leo shares

y-----> amount of money Kush shares

z-----> amount of money Mai shares

we know that

\frac{x}{y} =\frac{3}{5}

x=\frac{3}{5}y -----> equation A

\frac{y}{z} =\frac{5}{8}

z=\frac{8}{5}y -----> equation B

\frac{x}{z} =\frac{3}{8}

z=\frac{8}{3}x -----> equation C

y=x+750 ------> equation D

substitute equation A in equation D and solve for y

y=\frac{3}{5}y+750

y-\frac{3}{5}y=750

\frac{2}{5}y=750

y=750*5/2=\£1,875

Find the value of x (equation A)

x=\frac{3}{5}(1,875)=\£1,125

Find the value of z (equation C)

z=\frac{8}{3}(1,125)=\£3,000

therefore

The total amount of money is equal to

x+y+z=\£1,125+\£1,875+\£3,000=\£6,000

5 0
3 years ago
SOMEBODLY PLZ HELP ASAP! Find x
antoniya [11.8K]

Answer:

x=4

Step-by-step explanation:

We can use the leg rule

hyp          leg

------- =  -----------------

leg            part

2+6          x

------- =  -----------------

x            2

Using cross products

8*2 = x^2

16 =x^2

Take the square root of each side

4 =x

4 0
3 years ago
Read 2 more answers
A carpenter is building a rectangular bookcase with diagonal braces across the back as shown the Carpender knows that angle ADC
Rudik [331]
I think I have the diagram right.
Let ADB = x, and then BDC = x+32.
x+x+32 = 90
2x = 58
x = 29 = ADB
so BDC = 61
6 0
3 years ago
A bicyclist goes 43.54miles in 3.5 hours. What is her speed?
yuradex [85]
43.54 divided by 3.5= unit rate

12.44

8 0
3 years ago
Read 2 more answers
Can someone help me please.
zhannawk [14.2K]

Answer:

  1. Lena's Method: 280
  2. Jackson's Method: 280

Step-by-step explanation:

Lena's Method:

  1. 8 + 12 = 20
  2. Plug 20 in: 14(20)
  3. 14(20) = 14 × 20 = 280

Jackson's Method:

  1. 14 × 8 = 112
  2. 14 × 12 = 168
  3. Re-write the expression: 112 + 168
  4. 112 + 168 = 280

I hope this helps!

8 0
3 years ago
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