1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Dennis_Churaev [7]
2 years ago
8

The height of two plants is in the ratio 7 : 9. The height if the taller plant is 26cm more than the height of the shorter plant

. [3]
a) What is the height of taller plant?
b) What is the height of shorter plant?
c) What is their total length?
Mathematics
1 answer:
vodomira [7]2 years ago
3 0

Answer:

  • 117 cm; 91 cm; 208 cm

Step-by-step explanation:

According to the given ratio the height of the plants is 7x and 9x.

<u>The difference of heights is 26 cm:</u>

  • 9x - 7x = 26
  • 2x = 26
  • x = 13

a) <u>The taller plant is:</u>

  • 13*9 = 117 cm

b) <u>Shorter plant is:</u>

  • 7*13 = 91 cm

c) <u>Their total height is:</u>

  • 117 + 91 = 208 cm
You might be interested in
Friday
alex41 [277]
Factor Tree of 96 to Calculate the Factors
On splitting 12 further and writing it as multiples of numbers it would be 6 x 2. On splitting 6 further and writing it as multiples of numbers it would be 3 x 2. Altogether expressing the number in terms of prime factors would be 2 x 2 x 2 x 2 x 2 x 3. (NOT MY WORDS ITS GOOGLES WORD)
3 0
3 years ago
What is the surface area of a cube that’s measured 8 inches
MrRa [10]

Answer:

2

Step-by-step explanation:

Haven't done this in awhile but I think it's 2 because if you cube 2 it comes to 8. L x W x H = 8 | 2 x 2 x 2 = 8

7 0
2 years ago
The zoo downtown has 9 times as many monkeys as elephants. They have 60 animals all together. How many elephants are there?
dolphi86 [110]

Answer:

6

Step-by-step explanation:

e = number of elephants

9 times as many monkeys as elephants

m = 9e

------------------------

60 animals all together

e + m = 60

e + 9e = 60

Combine like terms

10e = 60

Divide both sides by 10

e = 6

3 0
2 years ago
Read 2 more answers
7. Use the quadratic formula to find the solution(s). x² + 2x - 8 = 0​
morpeh [17]

Hey there!

<u>Use the quadratic formula to find the solution(s). x² + 2x - 8 = 0</u>

  • Answer :

x = -4 or x = 2 ✅

  • Explanation :

<em><u>Quadratic</u></em><em><u> </u></em><em><u>formula </u></em><em><u>:</u></em><em><u> </u></em>ax² + bx + c = 0 where a ≠ 0

The number of real-number solutions <em>(roots)</em> is determined by the discriminant (b² - 4ac) :

  • If b² - 4ac > 0 , There are 2 real-number solutions

  • If b² - 4ac = 0 , There is 1 real-number solution.

  • If b² - 4ac < 0 , There is no real-number solution.

The <em><u>roots</u></em> of the equation are determined by the following calculation:

x =  \frac{ - b \pm  \sqrt{ {b}^{2} - 4ac } }{2a}

Here, we have :

  • a = 1
  • b = 2
  • c = -8

1) <u>Calculate </u><u>the </u><u>discrim</u><u>i</u><u>n</u><u>ant</u><u> </u><u>:</u>

b² - 4ac ⇔ 2² - 4(1)(-8) ⇔ 4 - (-32) ⇔ 36

b² - 4ac = 36 > 0 ; The equation admits two real-number solutions

2) <u>Calculate </u><u>the </u><u>roots </u><u>of </u><u>the </u><u>equation</u><u>:</u>

▪️ (1)

x_1 =  \frac{ - b -  \sqrt{ {b}^{2}  - 4ac} }{2a}  \\  \\ x_1 =  \frac{ - 2 -  \sqrt{36} }{2(1) }  \\  \\ x_1 =  \frac{ - 2 - 6}{2}   \\ \\ x_1 =  \frac{ - 8}{2}  \\  \\ \blue{\boxed{\red{x_1 = -4}}}

▪️ (2)

x_2 =  \frac{ - b  +   \sqrt{ {b}^{2} - 4ac } }{2a}  \\  \\ x_2 =  \frac{ - 2 +  \sqrt{36} }{2(1)}  \\  \\ x_2 =  \frac{ - 2 + 6}{2}  \\  \\ x_2 =  \frac{4}{2}  \\  \\ \red{\boxed{\blue{x_2 = 2}}}

>> Therefore, your answers are x = -4 or x = 2.

Learn more about <u>quadratic equations</u>:

brainly.com/question/27638369

6 0
2 years ago
Read 2 more answers
Which is the best strategy to use to solve this problem?
nlexa [21]
C. you need to find the area and perimeter to find the outside

6 0
3 years ago
Read 2 more answers
Other questions:
  • Solve |x| &gt; -9.<br><br> {x | x &lt; -9 or x &gt; 9}<br> all reals<br> no solution
    14·2 answers
  • The shortest distance between two points is what?
    9·2 answers
  • Sis)<br> What is the area of the regular hexagon?
    12·1 answer
  • Two joggers start from opposite ends of an 8 mile course running towards each other. One jogger is running at a rate of 4 mph. T
    8·1 answer
  • Estimate a 20% tip on a dinner bill of $171.81 by first rounding the bill amount to the nearest ten dollars.
    7·1 answer
  • . At the beginning of the year, Jim weighed 201.64 pounds. By the end of
    12·1 answer
  • Find the first term in the sequence when u(subscript)31=197 and d= 10.
    5·1 answer
  • PLEASE HALPPP
    9·1 answer
  • Select the correct answer.
    5·2 answers
  • The length of one side of a parallelogram is 3 more than twice the length of the adjacent side.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!