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3 years ago

Help me pls help help helppp

Mathematics

1 answer:

Dafna11 [192]3 years ago

6 0

Answer:

£817600

Step-by-step explanation:

4÷100=20

20÷4600=320

7×365 it means 1 year=2555

2555×320=£817600

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Water is being sprayed from a nozzle at the end of a garden hose of diameter 2.25 cm. If the nozzle has an opening of diameter 1

Gwar [14]

Answer:

4.67 m/s

Step-by-step explanation:

The equation of continuity for an incompressible fluid is A1v1 = A2v2 where A represents area and v is velocity of the fluid.

If we let the values with subscript 1 be those inside the hose and 2 be those at the nozzle then the question can be solved this way

$A_{1} v_{1} = A_{2} v_{2} \\\\(\pi *0.01125^{2} )*v_{1} = (\pi *0.00065^{2} )*14\\\\v_{1} = 4.67 m/s$

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3 years ago

Evaluate<br> --5a + 2b – 6c when a = -6, b=1, and c= -2.5

Alexeev081 [22]

The answer would be 47

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3 years ago

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A pitcher of water contains 1/4 liters of water. The water is poured equally into 5 glasses.

vladimir2022 [97]

Answer:

a. 1/20 liters in each glass.

b. 50 ml in each glass.

Step-by-step explanation:

a. To find how many liters are in each glass, you have to divide the 1/4 liters by 5 glasses, because the water is poured equally.

$\frac{1}{4}\:\div \frac{5}{1}$

Using the division properties of fractions:

$\frac{a}{b}\div \frac{c}{d}=\frac{a}{b}\times \frac{d}{c}$

$\frac{1}{4}\times \frac{1}{5} =\frac{1\times \:1}{4\times \:5} =\frac{1}{20}$

b. Use the rule of three to convert from liters to milliliters.

1 l = 1000 ml

1/20 l = x ml

Now, multiply 1/20 l by 1000 ml and divide by 1 l to obtain x.

$x =\frac{ \frac{1}{20}\times 1000 }{1} = \frac{1000}{20} = 50$

4 0

3 years ago

Which rule describes the composition of

ExtremeBDS [4]

Answer:

The second one: r x-axis. R 90(x,y)

Step-by-step explanation:

You can see that from ABC to A'B'C', it's rotated a positive 90 degrees. then, from A'B'C' to A"B"C", reflected across x-axis. and when writing the transformation, it goes by last to first. that's why the R 90 comes first.

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3 years ago

Find the image of (2,-2) obtained by translating 2 units up followed by a rotation of 90

Finger [1]

Answer:

It’s the same

Step-by-step explanation:

4 0

4 years ago