The answer is D, the ordered pair (5,3)
Answer:
x = 2
Step-by-step explanation:
→ Work out the area of the first triangle
0.5 × 4 × 7 = 14
→ Set up an equation for the second base
0.5 × x × 14 = 14
→ Simplify
7x = 14
→ Divide both sides by 7
x = 2
Step-by-step explanation:




Answer:
Step-by-step explanation:
Can you please specify on that question
Answer:
See explanation
Step-by-step explanation:
A. Let x represent the original test scores.
(1) The teacher will give a 10-point bonus, then the score will be x + 10. Hence,

(2) The teacher will increase everyone's grade by 9% of their score, then the score will be x + 0.09x = 1.09x. Hence,

B. If
and
then

Meaning: the teacher increased by 9% the score and then increased the result by 10 points.

C. If
and
then

Meaning: the teacher increased by 10 points the score and then increased the result by 9%.

D.
because 