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ololo11 [35]
3 years ago
9

Which expression does NOT represent the statement divide the difference of 20 and eight by the sum of one and three?

Mathematics
2 answers:
SVEN [57.7K]3 years ago
5 0
I think that its c ....but im not entirely sure. Sorry but i hope this helps
lana [24]3 years ago
4 0
A would be the answer to the question.
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Alberto ran 45 kilometer on Monday. On Tuesday, he runs 910 of the distance he ran on Monday. How far did he run on Tuesday? Ent
Digiron [165]

Answer:

85.95  km

Step-by-step explanation:

Given that,

Alberto ran 45 kilometers on Monday.

On Tuesday, he runs 91% of the distance he ran on Monday.

We need to find how far did he run on Tuesday. It can be given by :

T=45+45\times \dfrac{91}{100}\\\\=85.95\ km

So, he run 85.95  km on Tuesday.

7 0
3 years ago
Three students, Matthew, Thompson and Amos shared #15000 in the ratio of 5:2:x respectively. If Matthew's share is 7500, calcula
jasenka [17]

Answer:

The value of x is 3.

Step-by-step explanation:

Matthew earned 7500 of 15000, which is exactly half the total amount, meaning that the fraction corresponding to his earnings is 1/2.

Rate of 5:2:x, with number 5 corresponding to Matthew, mean that his fraction of the earnings, in function of x is given by:

\frac{5}{5 + 2 + x} = \frac{5}{7 + x}

Both fractions are equal, so:

\frac{5}{7 + x} = \frac{1}{2}

Applying cross multiplication:

7 + x = 10

x = 10 - 7

x = 3

The value of x is 3.

5 0
3 years ago
Factor completely.<br> 7 + 14x + 7x^2 =<br> *khan academy*
Ipatiy [6.2K]

Answer:

( X + 1 )( X + 1 )

Step-by-step explanation:

just factor it with calculator

4 0
3 years ago
Read 2 more answers
Use the diagram to answer the question.
Firlakuza [10]
D.Q (3,0)
I think
Sorry if wrong
But I am not sure!
8 0
3 years ago
Please answer the question!
Airida [17]

ANSWER

Area = 2\sqrt{3}  \:  {cm}^{2}

EXPLANATION

We need to use the Pythagoras Theorem to find the height of the triangle.

{a}^{2}  +  {b}^{2}  =  {c}^{2}

({2 \sqrt{3}) }^{2}  +  {b}^{2}  =  {4}^{2}

12 +  {b}^{2}  = 16

{b}^{2}  = 16 - 12

{b}^{2}  = 4

Take positive square root to get;

b =  \sqrt{4}  = 2

Area =½bh

Area =  \frac{1}{2}  \times  2\sqrt{3}  \times 2

Area = 2\sqrt{3}  \:  {cm}^{2}

7 0
3 years ago
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