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2 years ago

Help me (question attached)

Mathematics

1 answer:

Verizon [17]2 years ago

6 0

Answer:

a. ⅓ × 4

b. ⅖ × 3

c. ⅙ × 3

Step-by-step explanation:

i think

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Pls only do this if yk it because i’m giving correct answer brainliest! :))

Leno4ka [110]

Answer:

$x=2+\frac{1}{2}\sqrt[]{21}$

$x=2-\frac{1}{2}\sqrt{{21}$

Step-by-step explanation:

$4x^2-16x-26=-21$

Add 21 on both sides.

$4x^2-16x-26+21=-21+21$

$4x^2-16x-5=0$

a=4

b=-16

c=-5

$x=\frac{-b\frac{+}{}\sqrt[]{b^2-4ac} }{2a}$

$x=\frac{-(-16)\frac{+}{}\sqrt[]{(-16)^2-4(4)(-5)} }{2(4)}$

$x=\frac{16\frac{+}{}\sqrt[]{256+80} }{8}$

$x=\frac{16\frac{+}{}\sqrt[]{336} }{8}$

$x=\frac{16\frac{+}{}\sqrt[]{2^2*2^2*21} }{8}$

$x=\frac{16\frac{+}{}2*2\sqrt[]{21} }{8}$

$x=\frac{16\frac{+}{}4\sqrt[]{21} }{8}$

---------------------------------------------------------------------------

$x=\frac{16}{8}+\frac{4\sqrt[]{21}}{8}$

$x=2+\frac{1}{2}\sqrt[]{21}$

---------------------------------------------------------------------------

$x=\frac{16}{8}-\frac{4\sqrt[]{21}}{8}\\x=2-\frac{1}{2}\sqrt{{21}$

6 0

3 years ago

Read 2 more answers

Solve for a An + c = d

blsea [12.9K]

Step-by-step explanation:

An + c = d

an=d-c

a=(d-c)/n is your answer

4 0

3 years ago

HELP ASAP

tester [92]

Answer:

yolo

Step-by-step explanation:

5 0

3 years ago

This probability distribution shows

Charra [1.4K]

Answer:

The probability that a student earns a grade of A is 1/7.

Let E be an event and S be the sample space. The probability of E, denoted by P(E) could be computed as:

P(E) = n(E) / n(S)

As the total number of students = n(S) = 35

Students getting the grade A = n(E) = 5

So, the probability that a student earns a grade of A:

P(E) = n(E) / n(S)

= 5/35

= 1/7

Hence, the probability that a student earns a grade of A is 1/7.

Keywords: probability, sample space, event

7 0

2 years ago

Suppose you need some fast cash until payday which is two weeks away. You decide to take out a payday loan for $400 with a fee o

MA_775_DIABLO [31]

The APR on the loan will be $13. The APR is found by the standard formula. It is calculated annually.

APR is an annualized cost indication for a loan that includes all costs.

Suppose there is an initial amount as P. The interest, or say charge on it, is applied annually as 'C' amount.

The given data in the problem is;

Loan payment = $400

Fees = $52

APR=?

The value of the APR is found as;

$APR = \dfrac{C}{P} \times 100 \\\\\ APR = \dfrac{52}{400} \times 100 \\\\\ APR = \$ \ 13$

Hence, the APR on the loan will be $13.

To learn more about the APR, refer to the link;

brainly.com/question/1361627

#SPJ1

8 0

2 years ago