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exis [7]
2 years ago
13

11-2 (1+3x) < 39 Maths HW Please help

Mathematics
1 answer:
Paha777 [63]2 years ago
5 0

Answer:

x>-5

Step-by-step explanation:

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Clark has a box of nickels and dimes that totals $1.90. there are a total of 27 coins. how many nickels and dimes does he have?
Andrej [43]
$0.05(n) + $0.10(d) = $1.90
n + d = 27
n + d - d =27 - d
n = 27 - d

$0.05(27-d) + $0.10(d) = $1.90
1.35 - 0.05d + 0.10d = $1.90
1.35 +0.05d = $1.90
1.35 - 1.35 +0.05d = $1.90 -1.35
0.05d = 0.55
0.05d/0.05 = 0.55/0.05
d = 11

n = 27 - 11
n = 16

$0.05(16) + $0.10(11) = $1.90
$0.80 + $1.10 = $1.90
$1.90 = $1.90
4 0
2 years ago
BRAINLIEST!!! Plz help ASAP
Svetllana [295]

Answer: R = (4, 5)

Step-by-step explanation: Midpoint is simply the center of a line. So, the equation for it is ((x1+x2)/2, (y1+y2)/2). Hence for this,

x coordinate- (6+x)/2=5

                        x=4

y coordinates- (9+y)/2=7

                         y=5

And therefore R is (4, 5)

6 0
3 years ago
Homework is 25% of my grade, quizzes are 25% of my grade, and tests are 50% of my grade. I get a 100% on all 4 of my homework as
Arisa [49]

Answer:

25+25+50=100

no quiz

0% on test

for quiz,25% is lost

for test,50% is lost

50+25=75

100-75=25

answer is 25%

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2 years ago
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To assess yourself.... To know yourself more..
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How Can You Prove The Triangles Are Congruent?
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You can prove they're congruent by SAS Postulate. You see that there are two alternate interior angels and one pair of congruent sides.
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