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bagirrra123 [75]
3 years ago
12

Solve for x a. 25 b. 180 c. 120 d. 20

Mathematics
1 answer:
Aneli [31]3 years ago
7 0

Answer:

25

Step-by-step explanation:

2x+10 + 4x+20= 180(linear pair)

6x+30 = 180

6x= 150

x= 25

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There are 6 swimmers in a race. In how many ways can they finish in first and second place?
hodyreva [135]

Answer:

step 1. 6x2=12 first place way

step 2. 12×2=24

step 3. 24+6=30 second place way

6 0
2 years ago
I GIVE BRAINLIEST PLS HELP
ioda
The answer is 8
Here's why:
{ ( \frac{( {6}^{7}) \times ( {3}^{3})  }{(  {6}^{6}) \times ( {3}^{4}  ) } )}^{3}  =   \\ ( \frac{6}{3} ) ^{3}  =  \\ \frac{216}{27}  = 8
The exponents are subtracted one from another when divided.
\frac{ a ^{b} }{ {a}^{c} } =  {a}^{b - c}
We can look at the problem this way:
( \frac{6^{7} }{6 ^{6} }  \times  \frac{3^{3} }{ {3}^{4} } ) = (6^{7 - 6}  \times  {3}^{3 - 4} ) =  \\ ({6}^{1}  \times  {3}^{ - 1} )
Since we have the power of -1 on the 3, we apply this rule:
{a}^{ - b}  =  \frac{1}{ {a}^{b} }
Also this rule because we have the power of 1 on the 6:
{a}^{1}  = a
Then we get this:
(6 \times  \frac{1}{3} )^{3}  = ( \frac{6}{3} )^{3}
We apply the rule:
( \frac{a}{b}) ^{c}   =  \frac{ {a}^{c} }{ {b}^{c} }
We get this:
\frac{{6}^{3} }{ {3}^{3} } =  \frac{216}{27}  = 8
4 0
4 years ago
In a 10 x 10 grid that represents 800, one square represents
ludmilkaskok [199]
Each square represents 8

If it is 10×10 then there is 100 squares

800÷100=8
3 0
3 years ago
Please help, if you’re correct I’ll mark you as brainiest!!!
Xelga [282]

Answer:

A

Step-by-step explanation:

950 is 95% of 1000

so he lost 5 percent, which can be represented as -5.0%

5 0
3 years ago
Read 2 more answers
Can someone answer this please
Mrac [35]

Answer:

Yes, he is correct

Step-by-step explanation:

if you translate each letter ABCDE to A"B"C"D"E" exactly how he stated it turns out right. For example, C just go 8 squares up and then 10 to the right and do the same for the rest.

7 0
3 years ago
Read 2 more answers
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