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2 years ago

A B and C for a triangle where BAC = 90°, AB=15mm and bc= 18.1mm. Find the length of AC give you answer rounded to the 1 DP

Mathematics

1 answer:

IRINA_888 [86]2 years ago

8 0

Answer:

the length of DP will be 13.1

Step-by-step explanation:

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bacteria in a lab double every two weeks. if the current sample has 50 bacteria how much bacteria will there be in 12 weeks?

algol13

Im not for sure but I think its 600

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3 years ago

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Which is the factorization of 8x2 13x – 6? (8x – 3)(x 2) (x – 6)(8x 1) (2x – 2)(4x 3) (4x – 1)(2x 6)

vagabundo [1.1K]

we have

$8x^2+13x - 6$

Equate the function to zero

$8x^2+13x - 6=0$

Group terms that contain the same variable, and move the constant to the opposite side of the equation

$8x^2+13x = 6$

Factor the leading coefficient

$8(x^2+\frac{13}{8}x) = 6$

Complete the square. Remember to balance the equation by adding the same constants to each side.

$8(x^2+\frac{13}{8}x) = 6$

$8(x^2+\frac{13}{8}x+\frac{169}{256}) = 6 +\frac{169}{32} \\ \\ 8(x+\frac{13}{16} )^{2} =\frac{361}{32} \\ \\ (x+\frac{13}{16} )^{2} =\frac{361}{256}\\ \\ (x+\frac{13}{16} ) =(+/-)\sqrt{\frac{361}{256}} \\ \\ (x+\frac{13}{16} ) =(+/-)\frac{19}{16} \\ \\ x1=-\frac{13}{16} +\frac{19}{16} =\frac{6}{16}\\ \\ x2=-\frac{13}{16} -\frac{19}{16}=-2$

the factorization is equal to

$8*(x-\frac{6}{16} )*(x+2)=(8x-3)*(x+2)$

therefore

the answer is

$(8x-3)*(x+2)$

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3 years ago

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In order to figure out how much money she needs for her trip to the store, Jessica has to solve this equation. 2(x+1)+1=5 Sh

andrew11 [14]

Answer:

D. all the steps are incorrect

Step-by-step explanation:

she needs to distribute the 2 into the parenthesis first due to PEMDAS

2x+2+1= 5

2x+3=5 then isolate the x

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2x=2

(2x)/2=2/2

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3 years ago

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Common denominator of 6/7 and 7/13

ira [324]

For the denominators (7, 13) the least common multiple (LCM) is 91.

Therefore, the least common denominator (LCD) is 91.

Rewriting the original inputs as equivalent fractions with the LCD:
78/91, 49/91.

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4 years ago

Using the drawing, what is the vertex of angle 4? A. B B. C C. A D. D

fomenos

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