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Vaselesa [24]
3 years ago
13

I need help I don’t understand

Mathematics
1 answer:
Mila [183]3 years ago
3 0
A. 66.6%
B. 25%

20/30
20/80
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Which graph represents the same relation as the set StartSet (negative 3, 2), (5, 5), (3, 3), (3, negative 2) EndSet?
ikadub [295]

Answer:

The second graph

Step-by-step explanation:

4 0
3 years ago
when adding two rational numbers tell what the sign of the sum will be if one rational number is positive and one is negative
Mekhanik [1.2K]

Answer:

True

When you add two negative numbers the sum is always negative ex.

When you add two numbers with different signs get the difference and get the sign by the larger absolute value ex.

Step-by-step explanation:

8 0
2 years ago
Suppose △DFC≅△SNP . What is the corresponding congruent part for each segment or angle? Drag the answers into the boxes to match
timurjin [86]

<FCD

<SNP

SN

FC

Look at the vertex of each angle and match it to the other triangle (tri. DFC is congruent to tri. SNP) F=N, which is the vertex, D=S, C=P, DF=SN, and so on

7 0
3 years ago
Read 2 more answers
Determine whether the given triangle has no solution, one solution or two solutions. Then solve the triangle. Round measures of
yuradex [85]

Answer:

The triangle has one solution. The remaining side c ≈ 4 and remaining angles B = 30°; C = 31°.

Option D is correct.

Step-by-step explanation:

if angle A is obtuse and if a > b then the triangle has one solution

We are given ∠ = 119° which is obtuse and side a= 7 and side b - 4 i.e 7>4 so, the triangle has one solution.

Finding remaining side c and ∠B and ∠C

Using Law of sines to find ∠B

a/sin A = b/sin B

7/sin 119° = 4/sin B

7 * sin B = 4 * sin 119

7*sin B = 4(0.874)

sin B = 3.496/7

B = sin^-1(0.4994)

B = 29.96 = 30°

We know that sum of angles of triangle = 180°

So, 180° = 119° + 30° +∠C

180° = 149° + ∠C

=> ∠C = 180° - 149°

∠C = 31°

Now finding c

b/sin B = c /sin C

4/Sin 30 = c/sin 31

4* sin 31 = c*sin 30

4*0.515 = c* 0.5

=> c =  4*0.515/0.5

c = 4.12 ≈ 4

So, Option D one solution; c ≈ 4; B = 30°; C = 31° is correct.

7 0
3 years ago
Walmart sells birthday cakes for $18 after three days, they mark down the cakes by 45%. What is the discounted price
Misha Larkins [42]

Answer:

$9.90

Step-by-step explanation:

5 0
3 years ago
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