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3 years ago

A triangle can be formed with side lengths 3 in, 5 in, and 9 in. True False

Mathematics

2 answers:

ki77a [65]3 years ago

7 0

Answer:

False

Step-by-step explanation:

To find out if you can form a triangle from the measurements, you can compare the numbers.

If you add any combination of these number together, they need to be greater than the one you're comparing to.

3 + 5 needs to be greater than 9.

But it's not.

The other combinations work:

3 + 9 > 5

9 + 5 > 3

But since the first combination didn't work, these measurements will not form a triangle.

Hope I helped :)

(I know this answer is 3 years late but I just took the test and got it right.)

Please consider Brainliest

(unless the other person did a better job. Which they did.) :|

Firdavs [7]3 years ago

5 0

False, No Triangle can be formed with those side lengths. Here's why:
The sum of side a and side a has to be greater than side c.
a+b>c
3+5= 8
8 is not greater than 9

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Determine whether each of the following pairs of angles have equal measures.

Hatshy [7]

The pairs of angles that have equal measures are:

The pairs of angles that do not have equal measures are:

<h3>What is an angle?</h3>

When two lines or rays converge at the same point, the measurement between them is called a "Angle."

It is given that:

Both MJK and PJR can be seen as (Unequal angles)

The angle MJK is ( 90 degrees), then angle PJR will be ( 48 + 46 )= 94 degrees

Both LJP and NJR can be seen as ( Equal angles)

The measure of angle LJP = 48 + 46 + 48 = 142 degrees

The measure of angle NJR = 48 + 48 + 46 = 142 degrees

KJR & MJP = Unequal

The angle KJR will now be [ 360 - (46+48+48+46+90) ]

= 82 degrees

The angle MJP will be ( 94 degrees)

Both KJL & LJM are Unequal, then

The angle KJL will be 42 degrees, then angle LJM will be ( 90 - 42 )

= 48 degrees

Read more about pairs of angles here:

brainly.com/question/17643033

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CHECK THE COMPLETE QUESTION BELOW:

Determine whether each of the following pairs of angles have equal measures. Drag and drop each pair

of angles into the correct catagory to show which pairs have equal measures.

46°

42°

48°

46°

ZMJK and LPUR

ZLJP and ZNJR

ZKJR and ZMJP

MJP and ZPJR

ZKIL and ZUM

Equal Measures

Unequal Measures

4 0

1 year ago

Brand name producers of aspirin claim that one advantage of their aspirin over generic aspirin is that brand name aspirin is muc

11Alexandr11 [23.1K]

Answer:

Step-by-step explanation:

The claim here is that the brand name aspirin is more consistent in the amount of active ingredient used than the generic aspirin.

This is a test of 2 independent groups. The population standard deviations are not known. Let μ1 be the mean amount of active ingredients in brand name aspirin and μ2 be the mean amount of active ingredients in generic name aspirin

The random variable is μ1 - μ2 = difference in the mean amount of active ingredients between the brand name and generic aspirin

We would set up the hypothesis.

The null hypothesis is

H0 : μ1 ≥ μ2 H0 : μ1 - μ2 ≥ 0

The alternative hypothesis is

H1 : μ1 < μ2 H1 : μ1 - μ2 < 0

This is a left tailed test

Since sample standard deviation is known, we would determine the test statistic by using the t test. The formula is

(x1 - x2)/√(s1²/n1 + s2²/n2)

From the information given,

x1 = 325.01

x2 = 323.47

s1 = 10.12

s2 = 11.43

n1 = 200

n2 = 180

t = (325.01 - 323.47)/√(10.12²/200 + 11.43²/180)

t = 1.24

1.237877

The formula for determining the degree of freedom is

df = [s1²/n1 + s2²/n2]²/(1/n1 - 1)(s1²/n1)² + (1/n2 - 1)(s2²/n2)²

df = [10.12²/200 + 11.43²/180]²/[(1/200 - 1)(10.12²/200)² + (1/180 - 1)(11.43²/180)²] = 1.53233946713/0.00537245359

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We would determine the probability value from the t test calculator. It becomes

p value = 0.108

Since alpha, 0.025 < than the p value, 0.108, then we would fail to reject the null hypothesis. Therefore, at 2.5% level of significance, these data support the brand name producers claim

5 0

3 years ago

What is the value of n? n–2=10n+4/2 n =

slamgirl [31]

simplify

n-2 = 10n/2 + 4/2

n-2 = 5n + 2

subtract 5n to both sides

n - 2 - 5n = 5n + 2 - 5n

simplify

-4n - 2 = 2

add 2 to both sides

-4n - 2 + 2 = 2 + 2

simplify

-4n = 4

divide both sides by -4

-4n/-4 = 4/-4

simplify

n = -1

hope it helps

8 0

3 years ago

Help me find the missing angles

Keith_Richards [23]

Answer:

b) 105°

d) 130°

Step-by-step explanation:

An external angle has the same measure as the sum of the remote internal angles.

b) ? = 25° +80° = 105°

d) ? = 35° +95° = 130°

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This should be fairly obvious if you consider that the adjacent internal angle together with the external angle totals 180°, and the adjacent internal angle together with the other two internal angles totals 180°.

If the two "remote" angles are A and B, and the adjacent internal angle is C, then we have in symbols ...

A + B + C = 180° = ? + C

If we subtract C, then we find ...

A + B = ? . . . . . . the fact we used above

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3 years ago

If the sum of difference of 13 and 4 divided 64 and 8 is subtracted from the result. Find that number. Mathematical equation plz

natka813 [3]

Answer:

13+4=17,17/64=3-8=-5

Step-by-step explanation:

this is the solution

3 0

2 years ago

Read 2 more answers