All categories

2 years ago

Lindiwe is twice as old as Preeya and six years older than Sue . Their combined ages total 39 years . How old is Lindiwe

Mathematics

2 answers:

marissa [1.9K]2 years ago

8 0

Answer:

45 years old

Step-by-step explanation:

45 years old

Stolb23 [73]2 years ago

6 0

Answer:

Lindiwe is 18

Step-by-step explanation:

Lindiwe = L

Preeya = L/2

Sue = L-6

Their combined ages total 39 years

L+(L/2) + L-6 = 39

2.5L = 45

L=18

Lindiwe=18

Preeya= 9 (half of Lindiwe)

Sue = 12 (6 lessthan Lindiwe)

18+9+12 = 39

You might be interested in

Tara noticed that the tape she was using to wrap packages was 2 centimeters wide. How many meters wide was the tape?

Vikentia [17]

2 centimeters converts to 0.02 meters. Hope this helped!

8 0

3 years ago

3x+7-6=(8/7)-0<br>Value of x?

ArbitrLikvidat [17]

Answer:

$\boxed{\sf x = \dfrac{1}{21}}$

Explanation:

$\rightarrow \sf 3x+7-6= \dfrac{8}{7} - 0$

simplify the following

$\rightarrow \sf 3x+1= \dfrac{8}{7}$

subtract 1 from both sides

$\rightarrow \sf 3x+ 1 -1= \dfrac{8}{7} - 1$

simplify the following

$\rightarrow \sf 3x= \dfrac{1}{7}$

multiply both sides by 1/3

$\rightarrow \sf 3x \cdot \dfrac{1}{3}= \dfrac{1}{7}\cdot \dfrac{1}{3}$

simplify the following

$\rightarrow \sf x = \dfrac{1}{21}$

5 0

2 years ago

Read 2 more answers

Conditional Probability Assistance?

krek1111 [17]

Let the event $A=\{ Sophomore \}, B=\{ Boy \}$

The the probability of the events

$P(A \cap B)=\frac{5}{12+18} =\frac{1}{6}$

$P( B)=\frac{12}{12+18} =\frac{2}{5}$

The conditional probability

$P(Sophomore|Boy)=P(A|B)=\frac{P(A \cap B)}{P(B)} =\frac{1/6}{2/5} =\frac{5}{12}$

5 0

3 years ago

Being fun again who whants points here is a question you'll get 50 points

stich3 [128]

Answer:

0.46

Step-by-step explanation:bark brainliest plz

8 0

3 years ago

Read 2 more answers

-1/19,7/4,-4/7 least to greatest

oee [108]

Answer:

Order from Least to Greatest
-4/7  <  -1/19  <  7/4

Showing Work
Rewriting as fractions or any negatives if necessary:
-1/19, 7/4, -4/7

The least common denominator (LCD) is: 532.

Rewriting as equivalent fractions with the LCD:
-28/532, 931/532, -304/532

Ordering these fractions by the numerator:
-304/532  <  -28/532  <  931/532

Therefore, the order of your input is:
-4/7  <  -1/19  <  7/4

8 0

3 years ago