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WINSTONCH [101]
3 years ago
9

I have the same map test lol

Mathematics
1 answer:
bezimeni [28]3 years ago
8 0
If you need help let me know
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Fatimah,Siti and Noraini share 90 marbles in the ratio 4 : 5 : 6.Calculate the number of marbles that siti receives.
USPshnik [31]

Answer:

30 marbles.

Step-by-step explanation:

Let Fatimah,Siti and Noraini has 4x, 5x and 6x marbles.

\therefore \: 4x + 5x + 6x = 90 \\ \therefore \: 15x = 90  \\ \therefore \: x =  \frac{90}{15}  \\ \therefore \: x = 6 \\ 5x = 5 \times 6 = 30

Hence, Siti received 30 marbles.

5 0
3 years ago
(1) What is the equation, in point-slope form, for a line that goes through (8, −4) and has a slope of negative 5/6 (all fractio
Andreyy89
Formula for point-slope: y - y1 = m(x-x1)
Plug in the values (1): y + 4 =  -\frac{5}{6} (x - 8)  {Choice B}
Plug in the values (2): y + 6 =  \frac{1}{3}(x+ 2)  {Choice C}
_______________________

[For (3) and (4) we need to solve for slope]

(3)
First, solve for slope.
Formula for slope: \frac{y2-y1}{x2-x1}
Plug in values: \frac{-1-5}{-4-7} = - \frac{6}{11}
Slope: - \frac{6}{11}
Second, we must plug into point-slope form. 
Formula for point-slope: y - y1 = m(x-x1)
Plug in the values: y + 1 = - \frac{6}{11}(x + 4)   {Choice C}


(4)
First, solve for slope.
Formula for slope: \frac{y2-y1}{x2-x1}
Plug in values: \frac{6-(-8)}{-4-7} = - \frac{14}{11}
Slope: - \frac{14}{11}
Second, we must plug into point-slope form. 
Formula for point-slope: y - y1 = m(x-x1)
Plug in the values: y - 6 = - \frac{14}{11}(x + 4)   {Choice D}

8 0
3 years ago
Read 2 more answers
Convert 4 radians to degrees.
Sveta_85 [38]
Hello!

To convert radians to degrees, we have to multiply them by 180/ \pi.
Let's multiply.
4*180/ \pi
≈ 229.18311805

Please note that since we are using \pi, we need to use the approximation sign. 

4 radians ≈ 229.18311805°

You can feel free to let me know if you have any questions regarding this!
Thanks!

- TetraFish
5 0
3 years ago
Can you help me with this
ahrayia [7]

Step-by-step explanation:

1. YES

2. YES

3. YES

4. NO

this is a decimal that neither terminates nor repeats.

5 0
3 years ago
Write as a money amount and as a decimal in terms of dollars
Semmy [17]

(1) $\frac{92}{100}=$0.92, here 9 is the digit at the tenth place and 2 is the digit at the hundredth place.

(2) $\frac{7}{100} = $0.07,here 7 is the digit at the hundredth place.

(3) $\frac{16}{100} = $0.16, here 1 is the digit at the tenth place and 6 is the digit at the hundredth place.

(4) $\frac{53}{100} = $0.53, here 5 is the digit at the tenth place and 3 is the digit at the hundredth place.

3 0
3 years ago
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