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3 years ago

Multiply (1.4 x 10^2) x (2.0 x 10^-5)

Mathematics

1 answer:

Mars2501 [29]3 years ago

5 0

Answer:

2.8 x 10^-3

Step-by-step explanation:

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31.8 dived 0.58 answer

Charra [1.4K]

Answer:

54.8275862069

Step-by-step explanation:

If you want rounded than 54

5 0

3 years ago

Jona writes the expression (picture) to determine the number of questions answered correctly. What is an equivalent expression?

nirvana33 [79]

40-(1/10*40)

40-4

I hope this helps

4 0

3 years ago

Y 45° 30° N 17 I need help pls

melisa1 [442]

Answer:

x=29.4

Step-by-step explanation:

To help find the sides of a triangle, I use SOHCAHTOA.

SOH - CAH - TOA

S=O/H ( $Sine=\frac{opposite}{hypotenuse}$ )

C=A/H ( $Cosine=\frac{adjacent}{hypotenuse}$ )

T=O/A ( $Tangent =\frac{opposite}{adjacent}$ )

Let's find x first. We know 2 parts of the triangle: the adjacent leg, and the angle that is opposite of that.

So it would be tangent (tan).

opposite = 17

adjacent = 30°

Plug these numbers into the calculator and you should get your answer.

$\frac{17}{tan(30)} = 29.44486372...$

x=29.4

Try to do y on your own and let me know if you have any questions!

Also correct me if I'm wrong on anything.

Hope this information helps!

4 0

3 years ago

In the triangle, angle RST is 90°. RS= 4cm and ST=3 cm. What is the length of RT? R 4 cm S T 3 cm

s344n2d4d5 [400]

Step-by-step explanation:

RT^2=RS^2+ST^2

RT^2=16+9=25

RT=√25=5

The answer is 5

5 0

2 years ago

Find the GCF of 4y and 12y

Marianna [84]

Answer:

Step-by-step explanation:

To find the greatest common factor of 2 numbers, factor both of the numbers:

4: 1, 2, 4

12: 1, 2, 3, 4, 6, 12

The greatest factor here in both of these lists is 4. These numbers also both have a factor of y, so you multiply those together and get 4y.

$4\times y=4y$

5 0

2 years ago