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3 years ago

What is a number with one or more digits to the right of the decimal point

Mathematics

2 answers:

GuDViN [60]3 years ago

6 0

Yup exactly what she put ^

Flura [38]3 years ago

4 0

.123
.456
.002
.1
.2

any of these will work :) hope this helps!

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N. -2x - 40 = 8(1 -x)

Irina-Kira [14]

Answer:

x=8

Step-by-step explanation:

−2x−40=8(1−x)

Step 1: Simplify both sides of the equation.

−2x−40=8(1−x)

−2x+−40=(8)(1)+(8)(−x)(Distribute)

−2x+−40=8+−8x

−2x−40=−8x+8

Step 2: Add 8x to both sides.

−2x−40+8x=−8x+8+8x

6x−40=8

Step 3: Add 40 to both sides.

6x−40+40=8+40

6x=48

Step 4: Divide both sides by 6.

$\frac{6x}{6} =\frac{48}{6}$

to get the answer

x=8

4 0

3 years ago

S=a1/1-r

valentinak56 [21]

Answer:

Step-by-step explanation:

This is an infinite geometric series. This has a sum of $\frac{a}{1-r}$

Where

a is the first term, and

r is the common ratio (one term divided by the previous term)

Let's figure out the first 2 terms by plugging in n = 1 first and then n = 2 for the series.

First term:

$3(\frac{1}{4})^{n-1}\\=3(\frac{1}{4})^{1-1}\\=3(\frac{1}{4})^0\\=3(1)\\=3$

Second term:

$3(\frac{1}{4})^{n-1}\\=3(\frac{1}{4})^{2-1}\\=3(\frac{1}{4})^1\\=3(\frac{1}{4})\\=\frac{3}{4}$

Let's see the common ratio: $\frac{\frac{3}{4}}{3}\\=\frac{3}{4}*\frac{1}{3}\\=\frac{1}{4}$

Thus we have a = 3 and r = 1/4. Plugging into the formula of the infinite sum, we get:

$s=\frac{a}{1-4}=\frac{3}{1-\frac{1}{4}}=\frac{3}{\frac{3}{4}}=3*\frac{4}{3}=4$

So, the answer is 4

4 0

3 years ago

What is the value of the expression 5x − y when x = 3 and y = 1? 14 10 7 0

tester [92]

5x-y = 14 l|l|l|l|l|l

8 0

3 years ago

Read 2 more answers

Can you please help me thanks

mash [69]

Answer:

x = 9.6

Step-by-step explanation:

Before we can figure out what x is, we need to figure out what the unlabeled side is. To figure that out, multiply the hypotenuse (12) by the sine of the angle labeled (34)

12 * sin(34)

sin(34) equals 0.559192903470747; I'll round it to 0.6 for convenience.

12 * 0.6

Now simply multiply 12 by 0.6 to get 7.2.

The unlabeled side is approx. 7.2 units long.

Now we know what the unlabeled side is. Now, to find x, find the square root of 12 squared minus 7.2 squared.

x = √12² - 7.2²

12 squared is 144; 7.2 squared is 51.84.

x = √144 - 51.84

Subtract 51.84 from 144 to get 92.16.

x = √92.16

The square root of 92.16 is 9.6 (on the spot!).

x equals 9.6.

6 0

2 years ago

john is cutting wood planks. He has a 3 foot plank. he needs to cut them in 3/8 length pieces. How many pieces will he have?

mojhsa [17]

Answer:

he will have 3 pieces

Step-by-step explanation:

3/8×8

<h2>Mark me BRAINLIEST </h2>

4 0

2 years ago