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sleet_krkn [62]
2 years ago
12

Why does 1.5 x 4.2 equal 6.3? Someone answer please

Mathematics
1 answer:
miskamm [114]2 years ago
3 0

Answer: Look at it this way, you are adding 4.2, .5 times. So if you find what 1.5 is of 4.2 you then add that to 4.2. The 1 stands for how many times the number is being multiplied by. So in this case the number is only being multiplied once. Then we move onto the decimal point which says that the number is being multiplied by .5 times. This means that 2.1 (which is half of 4.2) is being added onto 4.2. Hope this makes sense. I always use a calculator for multiplying so its hard to put the process into words haha.

Step-by-step explanation:

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5x−4≥12 AND 12x+5≤−4
bekas [8.4K]

Answer:

No solutions

Step-by-step explanation:

5x - 4 ≥ 12

<em>Isolate the Variable</em>

5x ≥ 16

<em>Divide both sides by 5</em>

x ≥ 3.2

AND

12x + 5 ≤ -4

<em>Isolate the Variable</em>

12x ≤ -9

<em>Divide both sides by 12</em>

x ≤ -.75

When you say and, you find the area that is covered by both inequalities, but because the inequalities solution sets don't overlap, there are no solutions.

3 0
4 years ago
Read 2 more answers
Aliyah, Tammy, and Mike are helping their teacher move books. There are 21 books that need to be carried upstairs. How many book
ryzh [129]
If it's only <span>Aliyah, Tammy, and Mike they should each carry 7 books. </span>
4 0
4 years ago
How do you find the lateral area of the prism
Lina20 [59]
Hi there!

The lateral area is the area of the figures connecting the bases. We have rectangles here. We'll need to find the area of each figure and add them together to find the lateral area.

WORK:
(2.8 x 12) + (8.1 x 12) + 2(4 x 12)
33.6 + 97.2 + 96
LA = 226.8 units^2

Hope this helps!! :)
If there's anything else that I can help you with, please let me know!
7 0
4 years ago
In a test (+4) marks are given for every correct answers and (-3) marks are given for every incorrect answers 1) Tahiya answered
stealth61 [152]

Answer:

Tahiya attempted 3 incorrect answers.

Helmin attempted 11 incorrect answers.

Step-by-step explanation:

Correct = +4

Incorrect = -3

1) Tahiya got 12 correct answers and scored a 40, the number of incorrect answers was:

4*12-3I=40\\I=\frac{8}{3}\\I=2.67

2) Helmin got 5 correct answers and scored a -14, the number of incorrect answers was:

4*5-3I=-14\\I=\frac{34}{3}\\I=11.33

In both cases the number of incorrect answers obtained is a fraction, which means that either the data provided is inaccurate, or that the scores obtained by the students are approximate. Let's round the number of incorrect answers to the nearest whole answer.

Tahiya attempted 3 incorrect answers.

Helmin attempted 11 incorrect answers.

4 0
3 years ago
ABCD is a rectangle. What is the value of x?
kvv77 [185]
The answer is 33 meters
use the Pythagorean theorem 
56^2+x^2=65^2
3136+x^2=4225
x^2=1089
x=33
6 0
3 years ago
Read 2 more answers
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