I don't know what the answer is

Answers

Answer 1

Answer: Hint: Subtract 38 from both sides of this inequality. This will simplify the inequality.

Next, divide each side of your resulting inequality by 18. This will produce an inequality of the form "x≤ something."

I am unsure of how to configure those tiles to represent this result.

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Calculate the discriminant x2-2x+4=0
A.0

B.20

C.12

D.-12

Answers

$ax^2+bx+c=0\nthe\ discriminant:\Delta=b^2-4ac\n-------------------\nYour\ example:\nx^2-2x+4=0\to a=1;\ b=-2;\ c=4\n\nthereore\ \Delta=(-2)^2-4\cdot1\cdot4=4-16=\fbox{-12}\n\nAnswer:\boxed{D.\ -12}$

$x^2-2x+4=0 \n \na=1 \nb=-2 \nc=4 \n \n\hbox{the discriminant: } \Delta=b^2-4ac=(-2)^2 - 4 *1 * 4=4-16=-12$

The answer is D.

the pizza slice served at O'Connor's pizza place are 1/4 of a whole pizza. There are three pizzas ready to be served. 14 children come in for lunch. Is there enough pizza for every child? please explain your thinking, LOL PLZ HELP WITH MY MATH HOMWORK? THX 12 POINTS

Answers

No there will not be enough. Think about it this way. If each slice is 1/4 of the pizza, then each pizza can only feed 4 people. If you have 3 of these pizzas, then you can feed 12 people at most. Since there are 14 kids, you won't have enough.

4 pieces/1 pizza= x pieces/3 pizzascross multiplyx= 12 piecesnot enoughhope this helps

4 1/2 + 5 2/4 i need work shown will give 15 points

Answers

Answer:

The answer is 10

Step-by-step explanation:

Hopefully this helps

Kendra says that she can draw <A and <B so that m <A is 119° and <A and <B are complementary angles. do you agree or disagree? explain your reasoning.

Answers

I disagree, because if angle A and B make complementary angles then both the measures added should equal 90 degrees. However, m<A is 119 so it cannot be complementary making the statement false.

Find the area of the trapezoid 36mm by 15mm by 14mm.

Answers

Answer:

1428mm

Step-by-step explanation:

Area = 0.5 (a + b) h

Area= 0.5 (36 + 15) 14

Area = 0.5 ( 51) 14

Area = 1428 mm or 1.428m

Answer:

i think it is 357 hope this helps

Step-by-step explanation:

Jeanette's sister charges $5.50 per hour before 9:00 pm for babysitting and $8 per hour after 9:00 pm. She finished babysitting at 11:00 pm and earned $38. At what what time did she began babysitting?

Answers

Time is the duration during which any activity or work is performed. Jeanette's sister started 4 hours before the 9:00 pm which is 5:00 pm.

Given-

Jeanette's sister charges $5.50 per hour before 9:00 pm.

Jeanette's sister charges $8 per hour after 9:00 pm.

She finished babysitting at 11:00 pm

She earned total money $38.

What is time?

Time is the duration during which any activity or work is performed.

Total hour she worked after the 9:00 pm,

$=11-9=2$

Thus she worked total 2 hours after the 9:00 pm. She charges charges $8 per hour after 9:00 pm.Hence money earned by her in 2 hours after 9:00 pm ,

$=2*8=16$

Thus money earned by her in 2 hours after 9:00 pm is $16. The money earned by her before the 9:00 pm is addition of money earned by her before 9:00 pm and after 9:00 pm. Let money earned by her before 9:00 pm is $x. Thus,

$x+16=38$

$x=38-16$

$x=22$

Thus the money earned by her before 9:00 pm is $22.

She charges $5.50 per hour before 9:00 pm. Hence the $22 charged by her in hours,

$=(22)/(5.50) =4$

Therefore, hence Jeanette's sister started 4 hours before the 9:00 pm which is 5:00 pm.

Learn more about the work and time here;

brainly.com/question/8536605

Hey there! :D Jeanette's sister started at 5:00 PM. To get that answer, here's what I did: From 5-9 PM, she earned $22. That's because 5.50 x 4 = 22, then from 10-11, she charged $8 which is 8 x 2 = 16 + 22 = $38. Again, she started at 5 PM.

Hope it Helps and makes sense! :D

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