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2 years ago

15

translate the sentence into an equation. eight more than the product of a number and 2 is equal to 4. use the variable b for the

unknown number.'

1 answer:

Korolek [52]2 years ago

5 0

6 + 8x, where x is a number. You can also write this in standard form as 8x + 6.

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a company making washing machines works out that the probability of a new washing machine working perfectly is 0.972 what is the

andreyandreev [35.5K]

Answer:

0.028

Step-by-step explanation:

1 - P good = P faulty

1 - 0.972 = 0.028

4 0

2 years ago

What is the standard form of y –7 = – 23 (x + 1)

ValentinkaMS [17]

Answer:

23x+y=-16

Step-by-step explanation:

7 0

2 years ago

Consider the following cumulative probability distribution.

Marat540 [252]

The solution $P(x \leq 4),p{x= 3), p(2 \leq * \leq 4)$ is mathematically given as

$P(2 \leq X \leq 4)=0.84$
P(X=3)= 0.17

$P(2 < =X\leq 4)=0.53$

<h3>What is the solution $P(x \leq 4),p{x= 3), p(2 \leq * \leq 4)$ ?</h3>

Generally, the equation for the Probability of P(X=3) is mathematically given as

b)

$P(X=3) = P(X \leq 3)-P(X\leq 2)$

Therefore

$P(X=3)= 0.65-0.48$

P(X=3)= 0.17

c)

$P(2\leq X\leq 4) = P(X\leq 4)-P(X\leq 1)\\\\\\P(2\leq X\leq 4) = 0.84-0.31'$

$P(2 < =X\leq 4)=0.53$

a)

$P(2\leq X\leq 4)=0.84$

Read more about cumulative probability distribution.

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7 0

1 year ago

Solve the following equation for h.<br> r+3Q/h=t

Arada [10]

Answer:

$\bold{h=\dfrac{3Q}{t-r}}$

Step-by-step explanation:

$\bold{r+\frac{3Q}h=t}\\-r\qquad\ -r\\\bold{\frac{3Q}h=t-r}\\\cdot h\qquad \cdot h\\ \bold{3Q=(t-r)h}\\^{\div(t-r)\quad\div(t-r)}\\\bold{\dfrac{3Q}{t-r}=h}$

Or, if you mean (r+3Q)/h=t:

$\bold{\frac{r+3Q}h=t}\\{}\ \ \cdot h\quad\ \cdot h\\\bold{r+3Q=ht}\\{}\ \ \div t\qquad \div t\\\bold{\dfrac{r+3Q}{t}=h}\\\\\bold{h=\dfrac{r+3Q}{t}}$

4 0

2 years ago

Calculate the GPA of a student with the following grades: B (77 hours), D (66 hours), F (2020 hours). Note that an A is equivale

d1i1m1o1n [39]

Answer:

The student's GPA is of 0.82.

Step-by-step explanation:

GPA:

To find the student's GPA, we find his weighed mean.

Grades:

7 hours worth 3(B)

6 hours worth 1(D)

20 hours worth 0(F). So

$M = \frac{7*3 + 6*1 + 20*0}{7+6+20} = 0.82$

The student's GPA is of 0.82.

8 0

2 years ago