Answer:
35n - 63
Step-by-step explanation:
The area of a rectangle is given by
A = l*w where l is the length and w is the width
A = 7(5n-9)
Distribute
A = 35n - 63
Answer:
Use quadratic formula
Step-by-step explanation:
(x - 17) (7x + 5)
7x^2 + 5x - 119x - 85
7x^2 - 114x - 85 = 0
The value of x can then be worked out using the quadratic formula where you substitute all the numbers in your calculator.
Answer:
120 ways
Step-by-step explanation:
She has 6 friends and needs 3 people to do jobs. This means that for the first job, she has 6 options for someone to buy beverages, but for the second job, she will now only have 5 options, as somebody is already buying beverages. After she assigns someone to the second job, she now has 4 people to pick from for the third job, as 2 are already doing a job. This means she has 6*5*4 ways to assign her volunteers, or 120 ways.
Answer:
x = -4
Step-by-step explanation:
Give Me brainllest
Answer:
∠FJH ≅ ∠BJA
Step-by-step explanation:
From the given image, we notice that the only congruent relation ∠FJH has is with ∠BJA.
Where ∠BJA is vertically opposite to ∠FJH
Hence, we can say that ∠FJH ≅ ∠BJA since both these angles are vertically opposite