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3 years ago

PLEASE HELP ASAP 25 PTS + BRAINLIEST FOR RIGHT/BEST ANSWER

Mathematics

2 answers:

Gennadij [26K]3 years ago

8 0

It's the first one (-3, 2, -5)

-Dominant- [34]3 years ago

6 0

Answer:

the last one

Step-by-step explanation:

-1,3,4

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Help me to solve this

antoniya [11.8K]

The answer is 2cm

$8 \times 10 {}^{ - 3} \times 250 = 2000 \times 10 {}^{ - 3} \\ = 2$
or:
$8 \times {10}^{ - 3} \times 250 = 0.008 \times 250 \\ = 2$

good luck

4 0

3 years ago

Eva and emily can clean the entire house in 4 hours. Eva can do it by herself in 6 hours. How long would it take emily to do it

aksik [14]

Let x = the number of hours Eva needs to complete the job
and y = the number of hours Emily needs to complete the job

x = 6
1/x + 1/y = 1/4
(The amount of work Eva does in 1 hr + the amount of work Emily does in 1 hr should equal 1/4 of the total work)
1/6 + 1/y = 1/4
1/y = 1/12
y = 12 hours
Emily would take 12 hours to do it by herself.

6 0

3 years ago

What is the area of a square with sides of length 6?

Tasya [4]

Answer:

Step-by-step explanation:

6 squared

7 0

3 years ago

Read 2 more answers

in chemical formulas, there are often subscript numbers (such as the 2 in h2o, or the 6, 12, and 6 in c6h12o6). what do these su

Gnesinka [82]

In a Chemical formula, Subscript figures tell us how numerous of the element to their upper-left there are in the patch.

What is a chemical formula?

In chemistry, a chemical formula is a way of presenting information about the chemical proportions of titles that constitute a particular chemical emulsion or patch, using chemical element symbols, figures, and occasionally also other symbols, similar as hiatuses, dashes, classes, commas, and plus() and disadvantage( −) signs.
These are limited to a single typographic line of symbols, which may include subscripts and subtitles.
A chemical formula may indicate certain simple chemical structures, it isn't the same as a full chemical structural formula.

The subscript number indicates the total number of titles of an element present in a patch.

While witting a chemical formula, first we've to write the symbol of an element and also write the number at the bottom of the symbol.

For illustration,

$C_6H_{12}O_6$ is the chemical formula of the glucose patch. The glucose patch is made up of six carbon titles, twelve hydrogen titles, and 6 oxygen titles.

The number 6 of the carbon snippet is written after and at the bottom ( lower- right) of the symbol of carbon element (C). also, the number 12 is written lower-right of the symbol of hydrogen element (H), and the number 6 is written lower-right of the symbol of oxygen element( O).

thus, the subscript figures tell us how numerous of the element to their upper-left there are in the patch.

Learn more about subscript here:

brainly.com/question/18452587

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4 0

2 years ago

Nhan and Phuong both left town A for town B at 5 am . After 5 hours , Nhan and Phuong were 102 km and 52 km away from town B res

Pepsi [2]

Answer:

Nhan reach town B at 13:24 pm

Step-by-step explanation:

Let