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natima [27]
3 years ago
15

A figure was created using a tangle and a semicide. Use the ruler provided to measure the

Mathematics
1 answer:
Natali5045456 [20]3 years ago
4 0
And I’m sorry I don’t think you
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I need help answering this question for trig equations. <br> Sec^2x+4secx=-4
aliina [53]

Answer:

x = 120°

Step-by-step explanation:

We are given;

sec²x + 4secx = -4

Rearranging gives;

sec²x + 4secx + 4 = 0

Factorizing the left hand side gives;

(sec x + 2)(sec x + 2) = 0

This means that;

(sec x + 2) = 0

From trigonometry, we know that sec x = 1/cos x

Thus;

(1/cos x) + 2 = 0

1/cos x = -2

cos x = -1/2

cos x = -0.5

x = cos^(-1) -0.5

x = 120°

3 0
2 years ago
The function c(t) represents the total cost for a quilter to make t quilts. c(t)=55t+175 what does the value 55 represent in thi
zmey [24]
For each quilt made, the cost increases by $55. I just took the quiz so it's 100% correct.
5 0
3 years ago
Read 2 more answers
If matrix A has dimensions 3 x 2 and matrix B has dimensions 3 x 2, can matrix A and matrix B be multiplied?
Charra [1.4K]
Matrix A has 3 rows, 2 columns
Matrix B has 3 rows, 2 columns

The number of columns in matrix A (which is 2) does not match up with the number of rows in matrix B (which is 3). 

So the matrix multiplication A*B is undefined. We cannot multiply the matrices.
8 0
3 years ago
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What is the average rate of change of the function f(x)=4(2)^x from x=0 to x=2?
Umnica [9.8K]
I hope this helps you




x=0



f (0)=4.2^0=4



x=2


f (2)=4.2^2=16


3 0
3 years ago
Show how to solve the problem 378×6 using place value with regrouping. Explain how you knew when to regroup
nekit [7.7K]
<span>1. 6 (378) = 2268 = (189 + 189)6


Properties are:
Addition, you can have 6 + 107 = 113 </span>
<span>Commutative Property by moving: 107 + 6 = 113 </span>
<span>Associative Property by grouping: (3 + 3) + (100 + 7 ) = 113 </span>
<span>Distributive Property by allotting: 2 (3) + 107 = 113   </span>

<span>Multiplication, you can have 6 x 107 = 642 </span>
<span>Commutative Property by moving: 107 x 6 = 642 </span>
<span>Associative Property by grouping: (3 + 3) x (100 + 7 ) = 642 </span>
<span>Distributive Property by allotting: 2(3) x 107 = 642<span>
</span></span>
7 0
3 years ago
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