sophiascarpin sophiascarpin

02-07-2024
Mathematics

Answered

at the end of the year, a student's test scores improved by 40% if his improved score is 84, what was his previous score

Answer :

Marver1ck Marver1ck

03-07-2024

Answer:

60

Step-by-step explanation:

Let's assume the previous score is represented by "x."

x + 0.4x = 84

1.4x = 84

x = 60

So, the student's previous score was 60.

Answer Link

Other Questions

What is the value of the expression below?[tex]27^{1 / 3}[/tex]A. 3 B. 9 C. 2 D. 6

Seventy-three year old Larry has contemplated his life and realizes he is dissatisfied. He realizes that missed opportunities have passed, like staying in conta

Use the Ratio Test to determine the convergence or divergence of the series ∑ₙ₌₁[infinity](-1)ⁿ⁻¹(4/7)n=ⁿ/n².a. Ratio Test inconclusiveb. Convergesc. Diverges

What is true about parent sexual orientation and child development?O Child psychological adjustment is similar in opposite-sex and same-sex parent households.O

A piece of stone is placed inside a bucket, and water is poured into the bucket to a depth of 20 cm. If the refractive index of water is 1.33, calculate the app

Solve the inequality [tex]-24 \leq x - 3 - 8x[/tex].A. [tex]x \geq 3[/tex] B. [tex]x \geq -3[/tex] C. [tex]x \geq -9[/tex] D. [tex]x \leq 3[/tex]

2. The introduction states that the literary character of Knickerbocker's work "is not a whit better than it should be" but is also "a book of unquestionable au

How do you adjust Rain Bird 1800 pop-up sprinkler heads to control the spray pattern and distance?

With regard to the prevention of ADHD:a. Very little research has been completed, especially in comparison to other disordersb. Number of promising primary prev

Solve the following:A square is drawn on a coordinate grid so that two diagonally opposite vertices of the square have coordinates (-2, 9) and (5, 2). Work out

Valentina purchased 200 beads for $48 to make necklaces.If she needs to buy 25 more beads , how much will she pay if she is charged the same rate?

How would I be able to find the 6th term in the expansion (x + y)7.

Please match function with its graph and show steps, Thanks

How does democracy enhance the dignity of the citizens? three points

what is he unit rate of 420 miles in 7 hours

Was the Mexican Revolution a total war, limited war, civil war, or guerrilla warfare?

Which is greater 5.4 or 5.400

What is the square root of 36 over 49

What is Hawaii time line events

Light travels at the speed of approximately 3.0 × 108 meters per second. Find the time in minutes required for light to travel from the sun to Earth (an approxi