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svp [43]
3 years ago
11

Simplify |-5| + |6|. A) -30 B) -1 C) 1 D) 11

Mathematics
1 answer:
evablogger [386]3 years ago
4 0
The Answer is D)11! ;)
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Which is the graph of f(x) = -(x + 3)(x + 1)?
ch4aika [34]

Answer:

Step-by-step explanation:

x intercepts are -3,-1

f(x)=-(x²+x+3x+3)=-(x²+4x)-3=-(x²+4x+4-4)-3=-(x+2)²+4-3

or f(x)=-(x+2)²+1

vertex is (-2,1)

so it is an inverted  parabola with vertex (-2,1) and x-intercepts (-3,0) and (-1,0)

3 0
3 years ago
The sum of ages of a man and his wife is 81. The ratio of their ages is 5:4. Find the age of the younger person.
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3 0
2 years ago
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Solve the equation for y.<br><br> 4.2x−1.4y=2.1
Vlada [557]

Answer:

y=3x- 3/2

Step-by-step explanation:

4.2x−1.4y=2.1

Subtract 4.2x from each side

4.2x-4.2x−1.4y=-4.2x+2.1

-1.4y = -4.2x +2.1

divide each side by -1.4

-1.4y/-1.4y = -4.2x/ -1.4 +2.1/-1.4y

y=3x- 3/2

7 0
3 years ago
I need help with 2 questions about circumference. ITS ALMOST DUE 20 POINTS thank you
aksik [14]

Answer:

This is against the honor code sry :(

Step-by-step explanation:

"Students are never allowed to post questions directly from tests, quizzes, and assessments, or copy answers found on Brainly during tests, quizzes, and assessments."

3 0
3 years ago
Please help:<br> In Δ ABC, sin A=88, sin B=42, and a =17, find the length of b.
iren2701 [21]

Answer:

Step-by-step explanation:

Use the law of sines.

\frac{sin A}{a} = \frac{sin B}{b} \\

Plug values in.

\frac{sin88}{17} = \frac{sin42}{b}\\

Cross multiply.

bsin88 = 17sin42\\b = 11.38

Hope that helps.

6 0
3 years ago
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