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Ugo [173]
3 years ago
14

Please help me for 21 points.

Mathematics
2 answers:
mel-nik [20]3 years ago
6 0

Answer:

For Friday, 22% of the check in's happened on that day. For Saturday, 24% of the check in's happened on that day. For both days combined, 46.66% of the check in's happened for both.

Step-by-step explanation:

Overall there were 90 check ins. Since 20 happened on Friday, it would be 20/90, which is 22%. Saturday, 22 check ins happened, so it would be 22/90, which is 24%. Overall, between Friday and Saturday, 42 check in's happened, so it would be 42/90, which is 46.66%.

gregori [183]3 years ago
5 0

Answer:

24.44 percent

Step-by-step explanation:

F=Friday

S=Saturday

P(F or S)= 20/90+22/90-20/90=22/90

22/90 as percentage is 24.44 percent

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Chase and sara went to the candy store. Chase bought 5 pieces of fudge and 3 pieces of gum for 5.70. Sara bought 2 pieces of fud
tamaranim1 [39]

Let, price of fudge and gum is x and y respectively.

Converting given statements into mathematical equation.

We get :

5x + 3y = 5.70  ....1)

2x + 10y = 3.60 ....2)

Solving equation 1 and 2, we get :

x = $1.05 .

y = $0.15 .

Price of buying 20 pieces of fudge and 20 pieces of bubble gum is :

P = 20( 1.05 ) + 20( 0.15 )

P = $24

Hence, this is the required solution.

4 0
3 years ago
Last week Jordan had 12 marbles . This week he has 21 marbles what is the percentage of increase in the number of marbles Jordan
Elodia [21]

Answer:

75%

Step-by-step explanation:

The <em>number </em>increase is 9. 9 is what percent of 12? 9 is 75% of 12

8 0
3 years ago
Plz help me with this sum, see the pic. Thank you
lozanna [386]

Answer:

{5}^{8}  {x}^{6}

Step-by-step explanation:

\bigg( \frac{125   {x}^{ - 3} }{ {5}^{ - 3} \times 25 \times  {x}^{ - 6}  }  \bigg)^{2}  \\  \\  =  \bigg( \frac{ {5}^{3}    {x}^{ - 3} }{ {5}^{ - 3} \times  {5}^{2}  \times  {x}^{ - 6}  }  \bigg)^{2}  \\  \\  =  {( {5}^{3 + 3 - 2} {x}^{ - 3 + 6}  })^{2}  \\  =  {( {5}^{6 - 2}  {x}^{3} )}^{2}  \\  =  {( {5}^{4}  {x}^{3}) }^{2}  \\  =  {5}^{4 \times 2}  {x}^{3 \times 2}  \\  =  {5}^{8}  {x}^{6}  \\

6 0
3 years ago
The sum of 14 ad a number is 17
Fiesta28 [93]

Answer:

x = 3

Step-by-step explanation:

The sum of 14 ad a number is 17

The sum of 14 and a number (represented by x)

14 + x

is 17

= 17

The sum of 14 and a number is 17

14 + x = 17

Now, let's solve this.

14 + x = 17

-14        -14

x = 3

6 0
3 years ago
Which inequality represents the sentence?
BARSIC [14]

7.2 x 29  then 208.8 29

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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