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SpyIntel [72]
2 years ago
10

I need help please I will give you brainliest

Mathematics
1 answer:
liubo4ka [24]2 years ago
7 0

Answer:

Step-by-step explanation:

4a: x=729

4b: x=9/25

5a ln (2)

5b log2(24

You might be interested in
What is the answer to 4/5+9/11
SCORPION-xisa [38]
Hi there! 
When adding fractions we ALWAYS need to make sure the that denominators are the SAME .We need to find a common denominator so that the two fractions are on the same terms. In the end, the denominator stays the same. Let's start: 
We are given 2 fractions to add: 
\frac{4}{5} + \frac{9}{11}

We need to find a LEAST common denominator, start by listing the factors of 5 and 11 since both of these numbers are in the denominator. 

Factors of 5: <span>5, 10, 15, 20, 25, 30, 35, 40, 45, 50, </span><span>55
Factors of 11: </span><span>11, 22, 33, 44, </span><span><span>55

</span>As we see above, 55 is our LCD (least common denominator) 

We can change the denominator of both fractions to 55 since this is our LCD:
</span>\frac{4}{55} + \frac{9}{55}

However, if the denominator changes, the numerator changes as well. We use the following formula to find the numerators: 

(Common Denominator ÷ Denominator) x Numerator =  Numerator

Lets start by finding the numerator for the first fraction: 
4/55

<span>(55 (common denominator) ÷ 5 (original denominator) × 4 (numerator) = 44</span>

The first fraction becomes: 

\frac{44}{55}

Now let's do the second:

9/55

<span>(55(common denominator) ÷ 11(original denominator))×9(</span>numerator) = 45

Now we have: 

\frac{45}{55}

Now we have two fractions to add: 

\frac{44}{55} + \frac{45}{55}

Only add the numerators, the denominators stay the SAME !

44+45=89

Final answer: \frac{89}{55}

If you have further questions on this problem, please do not hesitate to comment below! :) Have a nice day! 

7 0
3 years ago
The table below represents an object thrown into the air.
FinnZ [79.3K]

Answer:

Yes, because each input has exactly one output. = A.

Step-by-step explanation:

just did it :)

6 0
3 years ago
Read 2 more answers
Isaac sold 58 of his baseball cards at a collectors show. If this represented 14.5% of his total collection, how many baseball c
Alenkasestr [34]

Answer:

400\ cards

Step-by-step explanation:

Let

x------> amount of baseball cards Isaac had before he sold

we know that

14.5\%=14.5/100=0.145

so

0.145x=58

Solve for x

x=58/0.145

x=400\ cards

4 0
3 years ago
Three lightship flash simultaneously at 6 00 a.m the first lightship flashes every 12 sec the second lightship every 30 sec and
Dmitrij [34]
They will all flash their lights together at 5:00 pm
6 0
3 years ago
Find the measurement of E<br> •56<br> •132<br> •51<br> •63
Burka [1]

Answer:

∠ E = 56°

Step-by-step explanation:

the external angle of a triangle is equal to the sum of the 2 opposite interior angles.

∠ MGF is an exterior angle of the triangle , then

10x + 12 = 5x - 4 + 76

10x + 12 = 5x + 72 ( subtract 5x from both sides )

5x + 12 = 72 ( subtract 12 from both sides )

5x = 60 ( divide both sides by 5 )

x = 12

Then

∠ E = 5x - 4 = 5(12) - 4 = 60 - 4 = 56°

4 0
2 years ago
Read 2 more answers
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