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AnnZ [28]
4 years ago
11

PLEASE HELP ASAP 25 PTS + BRAINLIEST TO RIGHT/BEST ANSWER

Mathematics
1 answer:
irina [24]4 years ago
5 0

Answer:

36 +23i

Step-by-step explanation:

(3+8i) (4-3i)

FOIL

first: 3*4 = 12

outer: 3*-3i = -9i

inner: 8i *4 = 32i

last: 8i * -3i = -24i^2 = -24 (-1) = 24

Add these together

12+-9i+32i +24

Combine like terms

36 +23i

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Help me out ASAPP, appreciate it very muchh
stiv31 [10]

Answer:

0.3432 units^2

Step-by-step explanation:

Variable A = area

A = length × width

A = 1.32 units × 0.26 units

A = 0.3432 units^2

8 0
3 years ago
Can you please mildly explain this with the answer.
kow [346]

\bf \begin{cases} f(x)=&5x-1\\ f(-3)=&5(-3)-1\\ f(-3)=&-15-1\\ f(-3)=&-16 \end{cases}\qquad \begin{cases} g(x)=&2x^2+1\\ g(-3)=&2(-3)^2+1\\ g(-3)=&2(-3)(-3)+1\\ g(-3)=&2(9)+1\\ g(-3)=&18+1\\ g(-3)=&19 \end{cases} \\\\[-0.35em] ~\dotfill\\\\ (f\times g)(-3)\implies f(-3)\times g(-3)\implies (-16)(19)\implies -304

3 0
3 years ago
1. Find the slope of the line that passes through the points (9, 7) and (2, 9).
Lesechka [4]

Answer:

Step-by-step explanation:

Slope of line passing through (x₁, y₁) and (x₂, y₂) = (y₂-y₁)/(x₂-x₁)

Slope of line passing through (9, 7) and (2, 9) = (9-7)/(2-9) = -2/7

3 0
3 years ago
Read 2 more answers
Could someone please solve this and explain how to do it?
galben [10]

Answer:

no clue buddy sry

Step-by-step explanation:

4 0
3 years ago
Which equation represents this statement? One-third of a number is 21.
Stella [2.4K]
Assuming c says 1/3x=21, that's the right answer. if you read too quickly you might rush into thinking x=7, but if course it is 63.
8 0
3 years ago
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