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Masja [62]
3 years ago
7

Solve for x: 4(1-x)+3x=-2(x+1)

Mathematics
1 answer:
Orlov [11]3 years ago
8 0

Answer:

Solve for  x  by simplifying both sides of the equation, then isolating the variable.

x  =  − 6

Step-by-step explanation:

I hope this helps! Have a nice day!

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-7(-1 - 4d) simplified
Svet_ta [14]

Answer:

7 + 28d

Step-by-step explanation:

-7(-1 - 4d) [ -7 gets multiplied with -1 and-4d when brackets open ]

= -7 × (-1) -7 × (-4d)

= <u>7 + 28d (Ans)</u>

4 0
3 years ago
The reading on a car’s speedometer may have an error up to 6.25%. The speed limit on a road is 65 miles per hour.
Makovka662 [10]
No.
The speed limit is 65. Accounting for a 6.25% error, then there is a range of speeds that could be considered 65.
The range:
65(0.9375) = 60.9375
65(1.0625) = 69.0625
So, any speed within that range is within the error zone. Therefore, a reading of 67 is not necessarily speeding.
8 0
3 years ago
Read 2 more answers
A board game uses a fair six-sided die and a spinner with five-equal sized sections colored dark blue, green, light blue, red, a
marysya [2.9K]

Answer:

\frac{1}{30}

Step-by-step explanation:

The computation of the probability is shown below:

P(die and spinner) is

= Probability of the die × probability of the spinner.

where,

Probability of the die is

= \frac{1}{6}

And for the spinner, the probability is

= \frac{1}{5}

Therefore the probability of both die and inner is

= \frac{1}{6} \times \frac{1}{5}

= \frac{1}{30}

We simply multiplied the probabilities of both die and spinner

6 0
3 years ago
a painter painted 3/5 of a portrait in 20 minutes. If she continues working at the same rate, how many portraits will she paint
mr Goodwill [35]

Answer:

one and four fifths 1 4/5-

Step-by-step explanation:

3 0
3 years ago
Solve the equation.<br> у+ 3 = -у +9<br> Оy = 1<br> Оy= 3<br> O y=6<br> Оy= 9
Triss [41]

Answer:

y = 3

Step-by-step explanation:

Solve for y:

y + 3 = 9 - y

Add y to both sides:

y + y + 3 = (y - y) + 9

y - y = 0:

y + y + 3 = 9

y + y = 2 y:

2 y + 3 = 9

Subtract 3 from both sides:

2 y + (3 - 3) = 9 - 3

3 - 3 = 0:

2 y = 9 - 3

9 - 3 = 6:

2 y = 6

Divide both sides of 2 y = 6 by 2:

(2 y)/2 = 6/2

2/2 = 1:

y = 6/2

The gcd of 6 and 2 is 2, so 6/2 = (2×3)/(2×1) = 2/2×3 = 3:

Answer:  y = 3

5 0
3 years ago
Read 2 more answers
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