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KatRina [158]
3 years ago
15

Someone plz help me giving brainliest

Mathematics
2 answers:
ale4655 [162]3 years ago
8 0

Answer:

Step-by-step explanation:

dangina [55]3 years ago
7 0
Answer is 3,5, X, 7, 6
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Find the product. (4.0 × 10−^2) × (5.2 × 10^8)
butalik [34]

Answer:

20800000

Step-by-step explanation:

put it in a calculator

8 0
3 years ago
Assume that a sample is used to estimate a population mean p. Use the given confidence level and sample data to find the margin
Charra [1.4K]

Answer:

40x90it is your ans muntply and divide and your ans coms

7 0
2 years ago
The histogram presents the compressive strengths of a sample of concrete blocks hardened for 28 days.
dusya [7]

Answer:

The question is not complete but I have uploaded the image to complete the question.

The missing rectangle has a relative frequency of 0.15, and this is the same as the height.

Step-by-step explanation:

Let us define what a frequency and relative frequency are

The frequency of a datum is the number of times a given item (datum) appears in the data set.

While the relative frequency is the fraction or proportion of times taken from the whole in which an item/datum occurs.

So, from the image I uploaded, the relative frequency column represents the height of the histogram. Let the height of the missing rectangle be <em>x.</em>

Therefore the heights of the rectangles written from left to right are 0.05, 0.1, 0.15, <em>x, </em>0.25, 0.2, and 0.1.

From the definition of relative frequency, the total sum of relative frequency is 1, if represented as decimals or fractions it can either be expressed in percentage, or decimal (fractions). In this question, it is represented in decimal, and the sum of all the relative frequency is 1.

0.05 + 0.1 + 0.15 + <em>x </em>+ 0.25 + 0.2 + 0.1 = 1 ;

0.85+ <em>x </em>=1

Therefore, <em>x </em>= 1 - 0.85= 0.15

3 0
3 years ago
Which angles are congruent to each other?
Ludmilka [50]

Answer: Top right corner (northeast corner)

Angle IAE = Angle DAH

These two angles are vertical angles as shown in the diagram below. Vertical angles are always congruent.

6 0
3 years ago
JKLM is a rhombus. KM is 10 and JL is 24. Find the perimeter of the rhombus.
Ahat [919]
Given that JKLM is a rhombus and the length of diagonal KM=10 na d JL=24, the perimeter will be found as follows;
the length of one side of the rhombus will be given by Pythagorean theorem, the reason being at the point the diagonals intersect, they form a perpendicular angles;
thus
c^2=a^2+b^2
hence;
c^2=5^2+12^2
c^2=144+25
c^2=169
thus;
c=sqrt169
c=13 units;
thus the perimeter of the rhombus will be:
P=L+L+L+L
P=13+13+13+13
P=52 units

5 0
2 years ago
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