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nikdorinn [45]
2 years ago
10

Help Thank youu ^^

Mathematics
2 answers:
anyanavicka [17]2 years ago
8 0

1/2 x 4.2 =2.1

2.8 x 6 x 2.1 =

35.28

Step-by-step explanation:

like rate 5 stars and put as brainly

thank you

horsena [70]2 years ago
4 0

Answer:

35.28 cm³

Explanation:

Volume of triangular prism = Area of Base × Length

Find area of base of the triangle:

1/2 × base × height = 1/2 × 4.2 × 2.8 = 5.88 cm²

Then find volume:

A × L = 5.88 × 6 = 35.28 cm³

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On April 1, Preston McCord deposited $1,400 in a savings account that pays annual interest of 3.2%
lesya692 [45]

Answer:

After 6 months, the interest generated by the investment would be $21.10.

Step-by-step explanation:

To determine the interest that Preston McCord could earn by investing $ 1,400 in an account that pays 3.2% annual interest compounded monthly, leaving said money invested for a period of 6 months, it is necessary to perform the following calculation:

X = 1,400 x (1 + 0.032 / 6) ^ 0.5x6

X = 1,421.10

1421.10 - 1400 = 21.10

Thus, after 6 months, the interest generated by the account will be $ 21.10.

4 0
2 years ago
3x^3-2x^2-147x+98=(ax-c)(bx+d)(bx-d) where a,b,c and d positive integers. Work out the value of a,b,c and d
Alexxx [7]

Expand the right side:

(ax-c)(bx+d)(bx-d)=(ax-c)(b^2x^2-d^2)

=ab^2x^3-b^2cx^2-ad^2x+cd^2

Notice that 98 = 2 * 7 * 7, so we have c=2 and d=7.

Then

-ad^2=-147\implies a=\dfrac{147}{49}=3

and

ab^2=3\implies b^2=1\implies b=1

6 0
3 years ago
(Evaluating Expressions) If x = 1, y = 3, and z = 2, what is the value of the expression 4xy + 3xz + 7y? *
pshichka [43]

Answer:

39

Step-by-step explanation:

4 x 1 x 3 + 3 x 1 x 2 + 7 x 3

4 x 3 + 3 x 1 x 2 + 7 x 3

12 + 3 x 1 x 2 + 7 x 3

12 + 3 x 2 + 7 x 3

12 + 6 + 7 x 3

12 + 6 + 21

39

8 0
2 years ago
Write the equation of this line in point-slope form and slope-
DaniilM [7]

Answer:

y = -1x + 2

Step-by-step explanation:

y = -1x + b

5 = -1(-3) + b

5 = 3 + b

2 = b

y = -1x + 2

3 0
3 years ago
A jog runs at a speed of 4m/s for 10 minutes. Work out the distance travelled.
krok68 [10]

Answer:

2,400 meters

Step-by-step explanation:

4 × 60 sec = 240 meters a minutes

240 meters × 10 minutes = 2,400 meters in 10 minutes

7 0
3 years ago
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