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Marianna [84]
3 years ago
11

Solve for ddd. Give an exact answer. 0.5(7d+4)=7-1.5d0.5(7d+4)=7−1.5d0, point, 5, left parenthesis, 7, d, plus, 4, right parenth

esis, equals, 7, minus, 1, point, 5, d=
Mathematics
1 answer:
MissTica3 years ago
4 0

Answer:

d = 1

Step-by-step explanation:

The equation given is:

0.5(7d + 4) = 7 - 1.5d

Expand the bracket:

3.5d + 2 = 7 - 1.5d

Collect like terms:

3.5d + 1.5d = 7 - 2

5d = 5

d = 5 / 5 = 1

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-. For the event of rolling three standard fair 6-sided dice, find the following probabilities. Give all
elixir [45]

Answer:

1/6 or 6/36

Step-by-step explanation:

Given the qualifications, there are six qualifying combinations out of the 36 combinations, which simplified, is 1 out of 6.

4 0
3 years ago
In a function why berries directly with X in the constant of variation is two which table could represent the function
valentina_108 [34]

The correct option is (D)

<h3>What is a function?</h3>

An expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable (the dependent variable).

the complete question is attached below

As, per the data given we can say that

the variation of quantity is 2.

So, the equation can be

y=2x

This equation defined by part (4) of the question.

Learn more about function here:

brainly.com/question/12431044

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6 0
2 years ago
A boat can travel 105 miles on 15 gallons of gasoline. How much gasoline will it need to go 140 miles?
Mrac [35]

Answer:

20 gallons

Step-by-step explanation:

105/15=7

7*20=140

4 0
3 years ago
Read 2 more answers
What is the solution to the system of equations y= -5x + 30 x = 10
Arturiano [62]

Answer:

We have been given the equation:

y=-5x+30

And x=10

Substitute the given x in the given equation we get:

y=-5(10)+30

y=-50+30

On simplification we get:

y=-20

Required solution is:  x= 10 and y=-20

The solution to the system of equation is those points that satisfy the given system of equations.

3 0
3 years ago
Read 2 more answers
A 150-unit apartment complex is infested with rats. The apartment caretaker checked 9 units and found the following number of ra
MA_775_DIABLO [31]
{2, 5, 3, 1, 0, 3, 7, 2, 2} is the data set. We can find this by finding <span>relative frequency of 3 = 2/9 = 0.22 and then 150 times .22 = 33 units</span>
8 0
3 years ago
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