3 years ago

Select all of the expressions that are equivalent to -7.

Mathematics

1 answer:

Ivanshal [37]3 years ago

6 0

Answer:

the answers that are equivalent are a, b, and e

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Is y=1/2x^2+5x-10 up or down

poizon [28]

Answer:

it is up

Step-by-step explanation:

5 0

3 years ago

Help me ans should be well explained

Katen [24]

Finding diagonal sum

$\\ \sf\longmapsto 0.7+1.0+1.3$

$\\ \sf\longmapsto 0.7+2.3$

$\\ \sf\longmapsto 3.0$

Observing the square

x=0.9
y=0.6

$\\ \sf\longmapsto xy=0.9(0.6)$

$\\ \sf\longmapsto xy=0.54$

8 0

3 years ago

Read 2 more answers

Order these ratios from least to greatest- 7:2, 12 to 4, 20/6, 21:14, 10:5 pls :,)

Brrunno [24]

Answer:

21:14, 10:5, 12 to 4, 20/6, and 7:2

Step-by-step explanation:

first simplify all the ratios.

the first one is already simplified

12 to 4 = 3 to 1

20/6 = 10/3

21:14 = 3:2

10:5 = 2:1

Next find the least common factor the the three digits, 1, 2, and 3 and which is 6.

Multiply the simplified factors into the least common factor. So 7:2 will be multiplied by 6 so it will be 21:6

Do it with the rest of the factors and get

21:6, 18 to 6, 20/6, 9:6, and 12:6

Finally order them from least to greatest,

9:6, 12:6, 18 to 6, 20/6, and 21:6

21:14, 10:5, 12 to 4, 20/6, and 7:2

4 0

3 years ago

Find the first, fourth, and tenth terms of the arithmetic sequence described by the given rule.

Klio2033 [76]

The firs term
A(1)=-6+(1-1)(6)
A(1)=-6+(0)(6)
A(1)=-6

The fourh term
A(n)=-6+(n-1)(6)
A(4)=-6+(4-1)(6)
A(4)=-6+(3)(6)
A(4)=-6+18
A(4)=12

The tenth term
A(10)=-6+(10-1)(6)
A(10)=-6+(9)(6)
A(10)=-6+54
A(10)=48

Answer:
D. -6,12,48

6 0

3 years ago

Simplify the expression. 9y^2−25/9y^2−30y+25

mezya [45]

Answer:

Step-by-step explanation:

56y^2/9-30y+25

4 0

2 years ago