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2 years ago

5) Today's temperature is 10 degrees. Yesterday's temperature was -3. What is

Mathematics

1 answer:

Troyanec [42]2 years ago

3 0

Answer:

Step-by-step explanation:

10--3=

So is 13

But not sure

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What is 67% of 12? I NEED AN ANSWER QUICK.

professor190 [17]

The correct answer is C. you can get this by multilingual 67x0.12

4 0

3 years ago

Find each difference.<br><br> (2x2-5x-7)-(7x2+3)<br><br> PLEASE HELP!!!

Natasha2012 [34]

Answer: $-5x^{2} -5x-10$

Step-by-step explanation:

$(2x^{2} -5x-7)-(7x^{2} +3)$

subtract by terms.

2x^2 - 7x^2 = -5x^2

-5x is the only term so leave it alone

-7-3= -10

-5x^2 -5x -10

3 0

2 years ago

Read 2 more answers

20 points for quick math problem what a deal! Please show work

Karo-lina-s [1.5K]

Answer:

11 cm

Step-by-step explanation:

As Y is midpoint if XZ

XY=YZ=2a+1

WZ=WX+XY+YZ=28

a+1+2a+1+2a+1=28

5a+3= 28

5a=25

a=5

XY=2a+1

=2(5)+1

=10+1

=11 cm

5 0

2 years ago

Enter the missing exponent.

konstantin123 [22]

Answer:

The missing exponent is 20.

Step-by-step explanation:

$y^{29} / y^{20} = y^9$

upper exponent minus lower exponent.

4 0

2 years ago

Flip a coin 5 times. What is the probability that heads never occurs twice in a row?

N76 [4]

Answer:

$\frac{15}{32}$

Step-by-step explanation:

Given that a coin is flipped 5 times. Let us assume it is a fair coin with probability for head or tail equally likely and hence 0.50

Sample space would have $2^5 = 32$ possibilities

For two heads never occurring in a row favourable outcomes are

HTTTT,HTTHT,HTTTH, HTHTH, HTHTT, THTHT, THTTT, THTTH, TTHTH, TTHTT, TTTHT, TTTTH, TTTTT, TTTTH

Hence probability =

Favorable outcomes/Total outcomes=

$\frac{15}{32}$

6 0

2 years ago