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kow [346]
3 years ago
15

Find the length below using the triangle given???asap

Mathematics
1 answer:
yaroslaw [1]3 years ago
8 0

Answer:

PV = 8

VT = 4\sqrt{3}

Step-by-step explanation:

in a 30-60-90° Δ, the ratio of sides, respectively, is 1: \sqrt{3}: 2

if PT = 4 then PV is twice that, or 8

VT = PT·\sqrt{3}

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What is the difference between the absolute value of 4 and the absolute value of -3?
larisa86 [58]
Answer:1
Explanation:since the absolute value of -3 is 3 and 4-3=1
7 0
3 years ago
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Evaluate the expression 3x^2+4x^3 when x=4.
larisa [96]

Step-by-step explanation:

304

plug 4 in for x

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48 + 256 = 304

6 0
3 years ago
What product have the same sign as ( -2 3/7 ) (-6/11) ?
motikmotik

Answer:

1. -7/8

2.-9/14

3. 9/14

4. 7/8

2. what is the product of -2/7 and -3/7?

1. -7/8

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3. 6/49

4. 7/8

How do the expressions 72÷ 9 and -72÷ (-9) compare when they are evaluated?

1. They have different values and are different signs.

2. They have different values but are the same sign.

3. They have the same value but are different signs.

4. They have the same value and the same sign.

Step-by-step explanation:

Multiplying fractions: multiply numerators and multiply denominators

1. 3/4 X -6/7 = -18/28 = -9/14

2. -2/7 X -3/7 = 6/49

3. 4 because 72/9 is 8.  -72/-9 is 8.  Two negatives makes a positive when multiplying and dividing.

7 0
4 years ago
The Science Club went on a two-day field trip. The first day the members paid $30 for transportation plus $17 per ticket to the
marishachu [46]

Answer:

(30$+17$)+(65$+10$)=

Step-by-step explanation:

6 0
3 years ago
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Find the critical value tc for the confidence level cequals 0.95 and sample size nequals 19.
Alex_Xolod [135]

The critical values are fixed values which can be obtained from the standard t crit  tables. We can find the critical value tc when the degrees of freedom and confidence level are given. The degrees of freedom is simply:

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Degrees of Freedom = 19 – 1

Degrees of Freedom = 18

From the t critical tables, the tc corresponding to Degrees of Freedom equal to 18 and Confidence level equal to 95% is as follows:

tc = 2.101

Therefore this means that any t value beyond 2.101, we already reject the null hypothesis.

8 0
3 years ago
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