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Inga [223]
3 years ago
12

Write the following inequality in slope-intercept form. 7x + y > -11

Mathematics
1 answer:
9966 [12]3 years ago
7 0
7x+y >-11
-y -y

7x>-11-y
+11 +11

7x+11>-y

7x+11/-1>-y/-1

-7x-11>y

Answer: y<-7x-11
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A triangle has sides with lengths of 4, 12, and 13. Is it a right triangle
Iteru [2.4K]

Answer:

this is the anwser

Step-by-step explanation:

4 12 13 triangle

Obtuse scalene triangle.

Sides: a = 4   b = 12   c = 13

Area: T = 23.894

Perimeter: p = 29

Semiperimeter: s = 14.5

Angle ∠ A = α = 17.839° = 17°50'19″ = 0.311 rad

Angle ∠ B = β = 66.782° = 66°46'55″ = 1.166 rad

Angle ∠ C = γ = 95.379° = 95°22'46″ = 1.665 rad

Height: ha = 11.947

Height: hb = 3.982

Height: hc = 3.676

Median: ma = 12.349

Median: mb = 7.517

Median: mc = 6.144

Inradius: r = 1.648

Circumradius: R = 6.529

Vertex coordinates: A[13; 0] B[0; 0] C[1.577; 3.676]

Centroid: CG[4.859; 1.225]

Coordinates of the circumscribed circle: U[6.5; -0.612]

Coordinates of the inscribed circle: I[2.5; 1.648]

Exterior (or external, outer) angles of the triangle:

∠ A' = α' = 162.161° = 162°9'41″ = 0.311 rad

∠ B' = β' = 113.218° = 113°13'5″ = 1.166 rad

4 0
3 years ago
Read 2 more answers
I WILL GIVE 20 POINTS TO THOSE WHO ANSWER THE MATH QUESTION RIGHT NOOOO SCAMS PLEASE 
Dennis_Churaev [7]

Answer:

if I am not mistaking It's the second one 81 now I might be wrong so if so I am sorry

3 0
3 years ago
The triangles above are similar write a similarity statement if possible solve for x the images are not drawn to scale
e-lub [12.9K]

Answer:

The value of x is 8.

Step-by-step explanation:

In triangle PQR and XZY,

\angle P=\angle X=90^{\circ}

\angle Q=\angle Z

\angle R=\angle Y

By AA property of similarity, we can say that

\triangle PQR\sim \triangle XZY

The similarity statement is \triangle PQR\sim \triangle XZY.

The corresponding sides of similar triangles are proportional. Since both triangles are similar, so

\frac{PQ}{QR}=\frac{XZ}{ZY}

\frac{21}{28}=\frac{5x+2}{7x}

\frac{3}{4}=\frac{5x+2}{7x}

7x\times 3=(5x+2)\times 4

21x=20x+8

21x-20x=8

x=8

Therefore the value of x is 8.

4 0
4 years ago
jack is paid £1800 a month. he spends half his money on rent. he spends the rest on food, bills and savings in the ratio 4:3:2 h
nignag [31]

Answer:

£300.

Step-by-step explanation:

He has £900 left after paying rent.

The fraction he spends on bills = 3(4+3+2)

= 3/9

= 1/3.

So he spends 900 * 1/3 = £300 on bills.

7 0
3 years ago
4 1/5 ÷ 2/3 as a mixed number in simplest form
Lady_Fox [76]

Answer:

<h2>6 \frac{3}{10}</h2>

Step-by-step explanation:

4 \frac{1}{5}  \div  \frac{2}{3}  =  \frac{21}{5}  \div  \frac{2}{3}  =  \frac{21}{5}  \times  \frac{3}{2 }  \\  \\  =  \frac{63}{10}  = 6 \frac{3}{10}

8 0
3 years ago
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