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Natali [406]
3 years ago
14

Which inequality is NOT true if y = -5?

Mathematics
1 answer:
lorasvet [3.4K]3 years ago
5 0

Answer:

2y-10>13

Step-by-step explanation:

2(-5)-10=-20 <13 not true

3(-5)+9=-5>-15 true

-24-4(-5)=-4<-3 true

-14+6(-5)=-44<8 true

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What is the surface area of this cuboid?<br> height: 5cm<br> length: 9cm<br> width: 4cm
bazaltina [42]

Answer:

180

Step-by-step explanation:

formulae=H×L×W so....5×9×4=180

4 0
3 years ago
Describe the nature of the roots for the equation<br> 49x2– 28x +4 = 0
Zepler [3.9K]

Answer:

The roots of the equation is real and repeated

Step-by-step explanation:

Here, we want to describe the nature of the roots of the given quadratic equation

To get the nature of the roots, we find the discriminant of the equation

The discriminant is;

b^2 - 4ac

In this case, b = -28 , a = 49 and c = 4

The discriminant is thus;

-28^2 - 4(49)(4)

= 784 - 784 = 0

Since the discriminant is zero, this means that the quadratic equation has real roots which are the same

6 0
2 years ago
Two friends argue over who brushes their teeth more often. Who is more likely to brush both morning and evening? Assume all even
dolphi86 [110]

Answer:

d

Step-by-step explanation:

5 0
3 years ago
In a village the number of houses and the number of flats are in the ratio 9:5 the number of flats and the number of bungalows T
Makovka662 [10]

Answer:

Total no. of houses = 140

Step-by-step explanation:

Let there are 9x flats and 5x bungalows.

Total bungalows = 50

It means,

5x = 50

x = 10

No of flats = 9x

= 9(10)

= 90

Total houses = no. of flats + no. of bungalows

= 50+90

= 140

So, there are 140 houses in the village.

5 0
2 years ago
What’s the mean of 3 32 36 30 33 36
Daniel [21]

Answer:

Mean = 28.33

Step-by-step explanation:

Comment

You need two inputs. The first is the sum of the numbers and the second is the number of entries in the data.

Givens

Sum = 3 +  32 +   36 +   30 +   33 +   36

Number of entries = 6

Solution

Sum = 170

Mean = sum / number of enteries

Mean = 170 / 6

Mean = 28.33

4 0
1 year ago
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