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Leokris [45]
2 years ago
14

Help me please with the question I will mark BRAINLIEST ​

Mathematics
1 answer:
Semmy [17]2 years ago
6 0

Answer:

  • 4^12
  • 6^7
  • 8^5
  • 7^3

Step-by-step explanation:

apply the indices law

  1. multiple means addition
  2. division means subtraction
  3. you are suppose to add the powers or subtract where necessary
  4. 4^9x 4^3= 4^5
  5. 6^5x6^2=6^7
  6. 8^6÷8=8^5
  7. 7^8÷7^6=7^2
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Given two sides with lengths 34 and 14, which of these lengths would NOT work for the third side of a triangle? 18, 34, 44, 22,
Bas_tet [7]
Two sides are 34 and 14.

The third side can't be longer than (34 + 14) = 48, because the 34 and the 14
together could not reach from one end of it to the other. 

The third side also can't be shorter than 20, because the 20 and the 14 together
could not reach from one end of the 34 to the other.

So 18 doesn't work. (18 + 14) = 32 ... they couldn't cover the 34 .
7 0
2 years ago
Solve: 6(1-3x) +2(2x-3)=0​
Radda [10]

Answer:

x = 0

Step-by-step explanation:

→ Expand out the brackets

6 - 18x + 4x - 6  = 0

→ Collect all the like terms

-12x = 0

→ Now solve

x = 0

7 0
2 years ago
Read 2 more answers
Solve:<br>.<br>.<br>.<br><br>PLS DON SPAM
MrRissso [65]
4
)
10(x+6)+8(x−3)=5(5x−4)

2 Expand.
10
x
+
60
+
8
x
−
24
=
25
x
−
20
10x+60+8x−24=25x−20

3 Simplify
10
x
+
60
+
8
x
−
24
10x+60+8x−24 to
18
x
+
36
18x+36.
18
x
+
36
=
25
x
−
20
18x+36=25x−20

4 Subtract
18
x
18x from both sides.
36
=
25
x
−
20
−
18
x
36=25x−20−18x

5 Simplify
25
x
−
20
−
18
x
25x−20−18x to
7
x
−
20
7x−20.
36
=
7
x
−
20
36=7x−20

6 Add
20
20 to both sides.
36
+
20
=
7
x
36+20=7x

7 Simplify
36
+
20
36+20 to
56
56.
56
=
7
x
56=7x

8 Divide both sides by
7
7.
56
7
=
x
7
56
​
=x

9 Simplify
56
7
7
56
​
to
8
8.
8
=
x
8=x

10 Switch sides.
x
=
8
x=8


Your answer is

X=8
7 0
2 years ago
To save money, a local charity organization wants to target its mailing requests for donations to individuals who are most suppo
mars1129 [50]

Answer:

The 80% confidence interval for difference between two means is (0.85, 1.55).

Step-by-step explanation:

The (1 - <em>α</em>) % confidence interval for difference between two means is:

CI=(\bar x_{1}-\bar x_{2})\pm t_{\alpha/2,(n_{1}+n_{2}-2)}\times SE_{\bar x_{1}-\bar x_{2}}

Given:

\bar x_{1}=M_{1}=6.1\\\bar x_{2}=M_{2}=4.9\\SE_{\bar x_{1}-\bar x_{2}}=0.25

Confidence level = 80%

t_{\alpha/2, (n_{1}+n_{2}-2)}=t_{0.20/2, (5+5-2)}=t_{0.10,8}=1.397

*Use a <em>t</em>-table for the critical value.

Compute the 80% confidence interval for difference between two means as follows:

CI=(6.1-4.9)\pm 1.397\times 0.25\\=1.2\pm 0.34925\\=(0.85075, 1.54925)\\\approx(0.85, 1.55)

Thus, the 80% confidence interval for difference between two means is (0.85, 1.55).

3 0
2 years ago
Describe some main differences between an Euler graph and a tree graph.
posledela

Answer:

The Obvious

Euler graph all connects almost like a circle

A tree graph looks like it branches off each other with no line connect in a circle like form

3 0
3 years ago
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