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irakobra [83]
2 years ago
7

GIVING BRAINLIEST AND 50 POINTS plssss HELLPLPLLPLLPLLP Select all of the expressions that are equal to

Mathematics
2 answers:
OLga [1]2 years ago
7 0

Answer:

alA, C, E would all be correct

Step-by-step explanation:

the explanation is quite simple just put them all together they all come out to 280.

faust18 [17]2 years ago
6 0

Answer:

A, C, E

Step-by-step explanation:

If we separate 35 into tens and units then:

8 × 35 = 8 × (30 + 5)

We can use the distributive property to expand the above:

8 × (30 + 5) = (8 × 30) + (8 × 5)

We can also separate 35 into 20 + 15:

8 × 35 = 8 × (20 + 15)

Therefore, the expressions that are equal to 8 × 35 are A, C and E

You might be interested in
The two largest lizards in the United States are the Gila monster and the chuckwalla. The average Gila monster is 0.608 meter lo
Zanzabum

Answer:

1.54 to the nearest hundredth

Step-by-step explanation:

Divide the average length of a Gila lizard by length of a chuckwalla.

= 0.608 / 395

4 0
3 years ago
What is 5-5x+4x equal ?
Arisa [49]

Answer:

-x+5

Step-by-step explanation:

5-5x+4x

= 5+(-5x)+4x

combine like terms:

5+(-5x)+4x

(-5x+4x)+(5)

= -x+5

5 0
3 years ago
The length of a living room is 12 feet and its width is 1012 feet. The length of the room is being expanded by x feet. Choose an
Ivanshal [37]

Answer:

Option C. 10.5(12 + x) square feet

Option E. (126 + 10.5x) square feet

Step-by-step explanation:

step 1

Find the area of the original living room

we know that

The area of the original living room is equal to

A=LW

we have

L=12\ ft\\W=10\frac{1}{2}\ ft=10.5\ ft

substitute

A=(12)(10.5)=126\ ft^2

step 2

Find the new area of the living room

The length of the room is being expanded by x feet

so

we have

L=(12+x)\ ft\\W=10.5\ ft

The new area is

A=10.5(12+x)\ ft^2

The expanded form of the expression is

Apply distributive property

A=10.5(12)+10.5(x)\\A=(126+10.5x)\ ft^2

6 0
3 years ago
FIND THE SUM OF 20 TERMS OF THE ARITHMETIC SERIES IN WHICH 3rd TERM IS 7 AND 7th TERM IS 2 MORE THAN THREE TIMES ITS 3rd TERM
algol13

Answer:

740

Step-by-step explanation:

The n th term of an arithmetic series is

a_{n} = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Given a₃ = 7 and a₇ = (3 × 7) + 2 = 21 + 2 = 23 , then

a₁ + 2d = 7 → (1)

a₁ + 6d = 23 → (2)

Subtract (1) from (2) term by term

4d = 16 ( divide both sides by 4 )

d = 4

Substitute d = 4 into (1)

a₁ + 2(4) = 7

a₁ + 8 = 7 ( subtract 8 from both sides )

a₁ = - 1

The sum to n terms of an arithmetic series is

S_{n} = \frac{n}{2} [ 2a₁ + (n - 1)d ] , thus

S_{20} = \frac{20}{2} [ (2 × - 1) + (19 × 4) ]

     = 10(- 2 + 76) = 10 × 74 = 740

8 0
3 years ago
Which of the following points is a solution of the system shown? x + y ≥ 6 x ≥ 4 a.(-1, 7) b.(4, -2) c.(4, 2)
Kobotan [32]
I know none of these are actually the answer but odysseyware gave me credit for
(4,2)
8 0
3 years ago
Read 2 more answers
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