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oksano4ka [1.4K]
4 years ago
8

What adds to be -11 multiplys to be 10

Mathematics
1 answer:
Vilka [71]4 years ago
6 0
Start with the factors of ten. (1x10) (2x5) (-1x-10) (-2x-5) Which of these pairs also adds to give you -11? -1 + - 10 = -11 So the numbers are -1 and -10
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find the total cost of a $55.00 dinner bill including 7% tax and 18% tip.how much change will you get back from $100.00
ahrayia [7]

The total cost of the dinner with a pre-tax tip would be $65.78. If you paid this with a $100 bill, you would get $34.22 back.

4 0
4 years ago
A triangle has side of lengths 27,79,84 is it a right triangle
MrRissso [65]
Lets find out...
a^2 + b^2 = c^2
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4 0
3 years ago
Read 2 more answers
Quadrilateral HJKL ~ Quadrilateral MPNQ<br><br> Which statements must be true
LenKa [72]

Answer:

m∠K =m∠N

HJ/MP=JK/PN

Step-by-step explanation:

The picture of the question in the attached figure

we know that

if two figures are similar, then the ratio of its corresponding sides is proportional and its corresponding angles are congruent

so

<u><em>Verify each statement</em></u>

case a) we have

m∠K =m∠N

The statement is true

Because, angle K and angle N are corresponding angles, and remember that in similar figures corresponding angles are congruent

case b) we have

HJ≅MP

The statement is false

Segment HJ and segment MP are proportional, not congruent

case c) we have

m∠J≅m∠N

The statement is false

Because angle J and angle N are not corresponding angles

case d) we have

HJ/MP=JK/PN

The statement is true

Because, the ratio of its corresponding sides is proportional

so

\frac{HJ}{MP}=\frac{JK}{PN}=\frac{KL}{NQ}=\frac{HL}{MQ}

7 0
3 years ago
Ava takes 5/6 minutes to run 1 lap around the track. If Ava runs around the track for 1/4 hr. How many laps will Ava run
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12 1/2 laps
Method:
This is a problem in which you are multiplying fractions.
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3 0
3 years ago
What is the answer to 2 3/4a =<br> 19 1/4
sukhopar [10]

Convert the mixed numbers to the improper fractions:

2\dfrac{3}{4}=\dfrac{2\cdot4+3}{4}=\dfrac{11}{4}\\\\19\dfrac{1}{4}=\dfrac{19\cdot4+1}{4}=\dfrac{77}{4}

2\dfrac{3}{4}a=19\dfrac{1}{4}\\\\\dfrac{11}{4}a=\dfrac{77}{4}\qquad\text{multiply both sides by 4}\\\\\not4^1\cdot\dfrac{11}{\not4_1}a=\not4^1\cdot\dfrac{77}{\not4_1}\\\\11a=77\qquad\text{divide both sides by 11}\\\\\boxed{a=7}

5 0
4 years ago
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