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Marysya12 [62]
3 years ago
7

2.9 rounded to nearest hundredth

Mathematics
1 answer:
worty [1.4K]3 years ago
8 0

Answer:

The answer would be 2.9

Step-by-step explanation:

its already rounded

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Solve the equation for x, and enter your answer in the box below.<br> 7x= -70
Ber [7]
Answer is -10

Step by step exploration
7x=-70
x=-70/7
x=-10
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3 years ago
I need help asap :-)
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Step-by-step explanation:

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Solve the simultaneous equations<br> x-6y=5<br> xy - 2y2 = 6<br> -<br> Show clear algebraic working.
mojhsa [17]

Answer:

(- 7, - 2 ) , (9.5, 0.75 )

Step-by-step explanation:

Given the equations

x - 6y = 5 ( add 6y to both sides )

x = 5 + 6y → (1)

xy - 2y² = 6 → (2)

Substitute x = 5 + 6y into (2)

(5 + 6y)y - 2y² = 6 ← distribute and rearrange left side

5y + 6y² - 2y² = 6

4y² + 5y = 6 ( subtract 6 from both sides )

4y² + 5y - 6 = 0 ← in standard form

(y + 2)(4y - 3) = 0 ← in factored form

Equate each factor to zero and solve for y

y + 2 = 0 ⇒ y = - 2

4y - 3 = 0 ⇒ 4y = 3 ⇒ y = \frac{3}{4} = 0.75

Substitute these values into (1) for corresponding values of x

y = - 2 : x = 5 + 6(- 2) = 5 - 12 = - 7 ⇒ (- 7, - 2 )

y = 0.75 : x = 5 + 6(0.75) = 5 + 4.5 = 9.5 ⇒ (9.5, 0.75 )

7 0
2 years ago
Read 2 more answers
Hannah has to make 180 gallons of punch for a big party. The punch is made of soda and fruit drink. The cost of the soda is $2.4
vesna_86 [32]

Answer: 90 per each is you want how much money is needed in total that is 47.20 dollars

Step-by-step explanation:

8 0
3 years ago
Y+2=-3(x-4) what’s the missing value? (_,-2)
Serggg [28]

Answer:

12

Step-by-step explanation:

Distrubute (y +2 = -3x + 12)

subtract 2 on both sides ( y +2 = -3x + 12 )

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conbine like terms (y = -3x + 10)

5 0
3 years ago
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