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
Marta_Voda [28]
3 years ago
11

Sandra bought 30 T-shirts at the clothing store. 20% of the T-shirts were blue and half of the T-shirts were black. How many of

the T-shirts were neither black nor blue?
Mathematics
1 answer:
insens350 [35]3 years ago
8 0
So you have 20% of blue and 50% of black.
So you have 70% in total that are both blue and black.
100%- 70%= 30%
So that means 30% were neither blue or black.
Do a proportion
30/100= x/30
30 x 30= 900
900 divided by 100= 9
Answer is 9 shirts are neither blue or black
You might be interested in
A sphere with a radius of 5 cm fits inside a box. Every face of the box is tangent to the sphere. What is the ratio of the volum
BARSIC [14]
Volume of box with side length of 5 = 5^3 = 125

Volume of sphere = (4/3)*pi*5^3 = (4/3)pi * 125

Ratio = 125/(4pi/3)*125  = 1/(4pi/3) = 3/(4pi)

Answer: B
8 0
3 years ago
Read 2 more answers
Which of the following numbers is closest to 7?
Sphinxa [80]

Answer:

B. √50

Step-by-step explanation:

7^{2} is 49 so √49 is 7

So,

since the <u>closest number to 49 is 50</u>, that is the answer.

7 0
3 years ago
Given the two expressions shown below:
kobusy [5.1K]
<h2>Answer: A. Both are rational.</h2>

Step-by-step explanation:

Although both expressions have square roots, the result of each square root is an integer, which can be expressed as a fraction.

In this sense:

Rational numbers are all numbers that can be represented as the quotient (division) of two integer numbers. This means they can be represented as a fraction in which the denominator is nonzero.

If we solve both expressions, we will be able to see that the result is an integer that can be expressed as a fraction with two integers:

\sqrt{4} + \sqrt{25}=2 + 5= 7 The result is an integer

7=\frac{7}{1}

\sqrt{4} + \sqrt{9}= 2 + 3=5 The result is an integer

5=\frac{5}{1}

7 0
3 years ago
Write the first ten terms of the geometric sequence a1 = 3, r = 1.1 to two decimal places. Am I supposed to multiply 3 by 1.1 te
Makovka662 [10]
The general formula for geometric series is tn = a×rⁿ⁻¹. In this question, a (or a1) is 3, and r is 1.1, therefore the first ten terms would be 3×1.1⁰ (3) , 3×1.1¹ (3.3), 3×1.1² (3.63) and so on up until you get to 3×1.1⁹ or 7.07.
6 0
3 years ago
The ratio of boys to girls in Ella’s grade is 3 to 4. The ratio of boys to girls in Minh’s grade is 4 to 5. Each grade has a tot
Readme [11.4K]
(20:4)x3=15 (Ellas grade)
(20:5)x4=16 (Minhs grade)
5 0
2 years ago
Other questions:
  • What is the expanded form to 103,727,495
    7·2 answers
  • If l is parallel to m, what is the relationship between 3 and 7? They are congruent because they are alternate external angles.
    5·1 answer
  • Solve the given equation
    8·1 answer
  • Ey YukkiD, can you help me?
    9·1 answer
  • When will n(A∩B)=0? Explain and give an example.
    10·1 answer
  • Determine if triangle ABC with coordinates A (0, 2), B (2, 5), and C (−1, 7) is an isosceles triangle. Use evidence to support y
    15·1 answer
  • What graph shows the line y=2/5x-3
    8·1 answer
  • The football team has a total of jerseys. There are ​medium-sized jerseys. What percent of the jerseys are​ medium-sized jerseys
    13·1 answer
  • The two triangles are similar. Identify the scale factor of the dilation from the larger triangle to the smaller triangle.
    5·2 answers
  • the perimeter of a rectangle is 48 inches. the ration of the width the length is 3:5, as shown. find the width and the length of
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!