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tensa zangetsu [6.8K]
3 years ago
11

5. Solve the x-puzzle below: (two mystery numbers

Mathematics
1 answer:
salantis [7]3 years ago
4 0
-10 x -5 = 50 and -10 + -5 = -15
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Solve the proportion for x.
Delvig [45]

\frac{x}{8}  =  \frac{8}{64}  \\ 64x = 8 \times 8 \\ 64x = 64 \\ x =  \frac{64}{64}  \\  \boxed{x = 1}

  • Proportion for x is <u>1</u><u>.</u>
  • Use <u>cross </u><u>multiplication</u><u>.</u>

5 0
2 years ago
Two antibiotics are available as treatment for a common ear infection in children. • Antibiotic A is known to effectively cure t
Scrat [10]

Step-by-step explanation:

the probability of A working is 60% or 0.6, so the probability it does not work is 40% or 0.4.

the probability of B working is 90% or 0.9, so the probability it does not work is 10% or 0.1.

plan 1

it is the probabilty that either A works, or (if it is not working) B works.

0.6 + 0.4×0.9 = 0.6 + 0.36 = 0.96

plan 2

either B works, or (if it is not working) A works

0.9 + 0.1×0.6 = 0.9 + 0.06 = 0.96

both plans have the same success probability.

5 0
2 years ago
Please help …………………….
Mars2501 [29]

9514 1404 393

Answer:

  (-3, 3)

Step-by-step explanation:

The blanks are trying to lead you through the process of finding the point of interest.

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The horizontal distance from T to S is <u> 9 </u>. (or -9, if you prefer)

The ratio you're trying to divide the line into is the ratio that goes in this blank:

Multiply the horizontal distance by <u> 2/3 </u>. (9×2/3 = 6)

Move <u> 6 </u> units <u> left </u> from point T.

The vertical distance from T to S is <u> 6 </u>.

Multiply the vertical distance by <u> 2/3 </u>. (6×2/3 = 4)

Move <u> 4 </u> units <u> up </u> from point T.

__

Point T is (3, -1) so 6 left and 4 up is (3, -1) +(-6, 4) = (3-6, -1+4) = (-3, 3). The point that is 2/3 of the way from T to S is (-3, 3).

3 0
3 years ago
Simplify 4a²+1/3a+5+a²+4+1/3a
vladimir2022 [97]

Answer:

5a^2+\frac{2a}{3} + 9

Step-by-step explanation:

Refer to file. Trying something different. Should be easier to read than text format and is easier than mathML.

7 0
3 years ago
11 Points Math Please help fast!!!
Vesnalui [34]

Answer:

do you still need the answer

Step-by-step explanation:

8 0
3 years ago
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