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solniwko [45]
3 years ago
13

Which of the following expressions is equivalent to 4(m – 16)?

Mathematics
1 answer:
Masteriza [31]3 years ago
3 0

Answer:

4m - 64

Step-by-step explanation:

Solve 4(m - 16)

4(m - 16) = 4 x m - 16 x 4

= 4m - 64

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Solve the equation -31=-6z-4z
jok3333 [9.3K]
<span>-31=-6z-4z
Subtract 4z from -6z
-31=-10z
Divide both sides by -10
Final Answer: 3.1 or 3 1/10</span>
8 0
3 years ago
11 Pause
muminat

Answer:

Step-by-step explanation:

Given that:

Batting average = 0.25 after 160 times at bat;

Batting Average = Number of hits / number of times at bat

0.25 = number of hits / 160

Number of hits = 0.25 * 160 = 40

He want batting average to improve to 0.333 ; if he makes hit the next x times at bat ; number of hits is needed to improve batting average

Hence,

New average = number of hits / number of times at bat

0.333 = (number of hits + x) / (160 + x)

0.333 = (40 + x) / (160 + x)

6 0
3 years ago
A surveyor measures the length of a surveying chain containing 1000 chain links. The length is 0.0533km. What is the length of a
Leya [2.2K]

Answer:

length of a single chain link = 5.33 cm

Step-by-step explanation:

Given data: chain contained 1000 chain links

total length was 0.0533km

<em>1km = 1000m </em>

<em> 1m = 100cm therefore 1km = 100000cm</em>

<em />

total length in cm = 0.0533* 100000

total length in cm = 5330 cm

length of a single chain link = 5330/1000

length of a single chain link = 5.33 cm

7 0
3 years ago
You spent 14 of your allowance on Monday. On Tuesday, you spent 13 of what was left. On Wednesday, you spent 12 of what remains.
Alex787 [66]
A = allowance
(1/2)a = what have left after Monday
(1/2(1/2)a = what you have after Tuesday
(1/2)(1/2)(1/2)a = what you have after Wednesday.

Doing the multiplication.

(1/8)a = what you have left.

You have 1/8 of what you had at the start.
5 0
2 years ago
In the diagrams below, ABC is similar to RST. Use a proportion with sides AB and RS to find the scale factor of ABC to RST. Show
kicyunya [14]

Answer:

The scale factor of triangle ABC to triangle RST is 1/3

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its corresponding sides is proportional and this ratio is called the scale factor

Let

z ----> the scale factor

To find the scale factor divide the length side of the image (reduced triangle) by the corresponding length side of the pre-image (original triangle)

z=\frac{RS}{AB}

substitute the values

z=\frac{6}{18}

simplify

z=\frac{1}{3}

The scale factor is less than 1

so

Is a reduction

5 0
3 years ago
Read 2 more answers
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